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Cisco reported fourth quarter revenue of $17.3 billion, net income on a generally accepted accounting principles (GAAP) basis of $3.9 billion or $0.97 per share, and non-GAAP net income of $4.9 billion or $1.22 per share. More RSS Feeds: https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html (https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html?source=rss)

Cisco Reports Fourth Quarter Earnings https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m08/cisco-reports-fourth-quarter-earnings.html?source=rss

Cisco Advance Notification for Publication of August 19, 2026, Security Advisories https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-LDquvx5d?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Advance%20Notification%20for%20Publication%20of%20August%2019,%202026,%20Security%20Advisories%26vs_k=1 On August 19, 2026, the Cisco Product Security Incident Response Team (PSIRT) will publish advisories to disclose security vulnerability information along with fixed software releases for the following Cisco products: BroadWorks Industrial Ethernet 1000 Series Switches Packaged Contact Center Enterprise and Unified Contact Center Enterprise RoomOS Secure Firewall Adaptive Security Appliance Secure Firewall Management Center Secure Firewall Threat Defense Center Secure Workload Unified Intelligence Center To fully remediate vulnerabilities to be disclosed on August 19, 2026, Cisco strongly recommends that customers upgrade to the fixed software indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery (https://blogs.cisco.com/security/strengthening-the-foundation-a-predictable-customer-focused-response-to-ai-accelerated-vulnerability-discovery). Security Impact Rating: Informational

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-dzv4mQFF?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Secure%20Firewall%20Adaptive%20Security%20Appliance%20and%20Secure%20Firewall%20Threat%20Defense%20Software%20Remote%20Access%20SSL%20VPN%20Denial%20of%20Service%20Vulnerability%26vs_k=1 A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.  This vulnerability is due to insufficient error checking when processing HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-dzv4mQFF Security Impact Rating: High CVE: CVE-2026-20349

ClamAV Vulnerabilities Affecting Cisco Products: August 2026 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=ClamAV%20Vulnerabilities%20Affecting%20Cisco%20Products:%20August%202026%26vs_k=1 Multiple vulnerabilities in ClamAV could allow a remote attacker to cause a denial of service (DoS) condition, interrupting scanning operations.  For more information about these vulnerabilities, see the Details (https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=ClamAV%20Vulnerabilities%20Affecting%20Cisco%20Products:%20August%202026%26vs_k=1#details) section of this advisory. For additional information on these vulnerabilities in ClamAV, see the ClamAV blog (https://blog.clamav.net/2026/08/clamav-154-and-146-security-patch.html). Cisco plans to release software updates that address these vulnerabilities in affected Cisco platforms. There are no workarounds that address these vulnerabilities. Notes: The Security Impact Rating (SIR) for these vulnerabilities is High for Windows-based platforms only because those platforms run the ClamAV scanning process in a privileged security context. The platforms that are highly impacted include Cisco Secure Endpoint Connector for Windows. The SIR for these vulnerabilities is Medium on other platforms, including Linux and Mac platforms, because those platforms run the ClamAV scanning process in a lower-privileged security context. The affected platforms include Secure Endpoint Connector for Linux and Mac. Cisco Secure Endpoint Private Cloud itself is not impacted by these vulnerabilities. However, the Cisco Secure Endpoint Connector software that is distributed from the device is impacted. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26 Security Impact Rating: High CVE: CVE-2026-20337,CVE-2026-20338,CVE-2026-20339,CVE-2026-20345,CVE-2026-20346,CVE-2026-20347,CVE-2026-20348

Cisco has scheduled a conference call for Wednesday, Aug 12, 2026, at 1:30 PM (PT); 4:30 PM (ET) to announce its 4Q26 financial results. More RSS Feeds: https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html (https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html?source=rss)

Cisco Schedules Conference Call for Q4 Fiscal Year 2026 Financial Results https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m08/cisco-schedules-conference-call-for-q4-fiscal-year-2026-financial-results.html?source=rss

Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-infodis-SPuJBDCe?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Catalyst%20SD-WAN%20Manager%20Information%20Disclosure%20Vulnerability%26vs_k=1 A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. This vulnerability is due to insufficient access control enforcement for specific template types that are not included in the encryption allowlist. A low-privileged attacker could exploit this vulnerability by viewing logs on the local system or on a remote logging server. A successful exploit could allow the attacker to view sensitive authentication credentials, which could lead to further compromise of network infrastructure and connected services. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-infodis-SPuJBDCe Security Impact Rating: Medium CVE: CVE-2026-20294

Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xmcp-thbAr34t?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20IOS%20Software%20and%20IOS%20XE%20Software%20Extensible%20Messaging%20Client%20Protocol%20Denial%20of%20Service%20Vulnerability%26vs_k=1 A vulnerability in the Extensible Messaging Client Protocol (XMCP), also referred to as the External Client protocol, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of malformed XMCP packets. An attacker could exploit this vulnerability by sending a malformed XMCP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload unexpectedly, resulting in a DoS condition. The attacker does not need the XMCP client username to exploit this vulnerability. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. There is a mitigation that addresses this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xmcp-thbAr34t Security Impact Rating: High CVE: CVE-2026-20301

Cisco IOS XE Software SNMP Denial of Service Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20IOS%20XE%20Software%20SNMP%20Denial%20of%20Service%20Vulnerability%26vs_k=1 A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to improper error handling when parsing SNMP requests. This vulnerability affects all versions of SNMP — Versions 1, 2c, and 3. An attacker could exploit this vulnerability by sending a malformed SNMP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly. The attacker must have the SNMPv1 or v2c read-only or read-write community string or valid SNMPv3 user credentials on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. There is a mitigation that addresses this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD Security Impact Rating: High CVE: CVE-2026-20124

Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-bing-MGHrFAkd?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20IOS%20XE%20Software%20Blocks%20Extensible%20Exchange%20Protocol%20Denial%20of%20Service%20Vulnerability%26vs_k=1 A vulnerability in the Blocks Extensible Exchange Protocol (BEEP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling when parsing a specific BEEP SOAP request. An attacker could exploit this vulnerability by sending a specific BEEP SOAP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-bing-MGHrFAkd Security Impact Rating: High CVE: CVE-2026-20263

Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-infodisc-qBXjfmWm?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20RoomOS%20Logging%20Subsystem%20Information%20Disclosure%20Vulnerability%26vs_k=1 A vulnerability in the logging subsystem of Cisco RoomOS could allow an authenticated, local attacker with low privileges to access sensitive information. This vulnerability is due to the logging of sensitive information. An attacker could exploit this vulnerability by enabling a specific logging level and then collecting the system logs. A successful exploit could allow the attacker to view sensitive information like user login credentials. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-infodisc-qBXjfmWm Security Impact Rating: Medium CVE: CVE-2026-20289

Cisco Integrated Management Controller Cross-Site Scripting Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-7EhBFxBp?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Integrated%20Management%20Controller%20Cross-Site%20Scripting%20Vulnerability%26vs_k=1 A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-7EhBFxBp Security Impact Rating: Medium CVE: CVE-2026-20198

Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-webui-dos-PtAODAWW?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20IOS%20XE%20Software%20Web-Based%20Management%20Interface%20Denial%20of%20Service%20Vulnerability%26vs_k=1 A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error handling in the web-based management interface. An attacker could exploit this vulnerability by authenticating with a malformed certificate. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-webui-dos-PtAODAWW Security Impact Rating: Medium CVE: CVE-2026-20311

Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-dos-qdc7qx3?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20IOS%20XE%20Software%20Web-Based%20Management%20Interface%20Denial%20of%20Service%20Vulnerability%26vs_k=1 A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to perform a denial of service (DoS) attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the web-based management interface to become unresponsive. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-dos-qdc7qx3 Security Impact Rating: Medium CVE: CVE-2026-20308

What Cisco data reveals about networks, AI, and the infrastructure powering a changing digital world. More RSS Feeds: https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html (https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html?source=rss)

Building for the AI Surge https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m08/building-for-the-ai-surge.html?source=rss

Cisco’s Amin Karbasi on a new family of open-weight, small-language AI models ready for the big task of pinpointing vulnerabilities hidden within code bases. More RSS Feeds: https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html (https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html?source=rss)

Cisco Antares: helping to make AI secure for all https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m08/cisco-antares-helping-to-make-ai-secure-for-all.html?source=rss