EUVD-2026-53456

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...

CVE-2026-20269

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...

CVE-2026-20269 Cisco IOS XE Software Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...

EUVD-2026-53455

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...

CVE-2026-20268 Cisco IOS XE Software Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...

CVE-2026-20267 Cisco IOS XE Software Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...

EUVD-2026-53449

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...

PT-2026-68234

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description Improper access control issues were identified during an internal security review. These issues fall under the Common Weakness Enumeration CWE Pillar CWE-284, which refers to...

PT-2026-68235

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An issue exists involving improper restriction of operations within the bounds of a memory buffer. This is categorized under CWE-119, which refers to memory corruption...

PT-2026-68236

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description An issue exists involving improper control of a resource through its lifetime, which falls under the Common Weakness Enumeration CWE Pillar CWE-664. This was identified during a...

Cisco IOS Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco IOS is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to...

Cisco IOS XE Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco IOS-XE Software is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the...

Cisco Firepower Threat Defense (FTD) Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by multiple vulnerabilities. - A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated,...

Cisco IOS XE Software for Catalyst 9000 Series Switches DHCP Snooping DoS (cisco-sa-bootp-WuBhNBxA)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause BOOTP packets to be forwarded between VLANs, resulting in a denial of...

Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IKEv2 DoS (cisco-sa-multiprod-ikev2-dos-gPctUqv2)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability. - A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol processing of Cisco Adaptive Security Appliance ASA Software, Cisco Firepower Threat Defense FTD Software, Cisco IOS Software, and...

Cisco IOS XE Software for WLC Wireless IPv6 Clients DoS (cisco-sa-wlc-wncd-p6Gvt6HL)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the Wireless Network Control daemon wncd of Cisco IOS XE Software for Wireless LAN Controllers WLCs could allow an unauthenticated, adjacent wireless attacker to cause a denial of...

Cisco IOS XE Software Web Based Management Interface Command Injection (cisco-sa-webui-cmdinj-gVn3OKNC)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the web-based management interface of the Wireless LAN Controller feature of Cisco IOS XE Software could allow an authenticated, remote attacker with a lobby ambassador user account ...

The vulnerability of the Cisco IOS XE operating system’s TLS library allows attackers to trigger memory exhaustion or service failure.

The vulnerability of the Cisco IOS XE operating system’s TLS library is related to the absence of references to an active, allocated resource. Exploiting this vulnerability can allow a malicious actor to induce memory exhaustion or service failure from a remote perspective...

The vulnerability in the web interface of the Cisco IOS XE operating system allows attackers to enhance their privileges and gain access to the management API.

The vulnerability of the Cisco IOS XE operating system’s web interface is related to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to enhance their privileges and gain access to the management API...

The vulnerability of Cisco IOS and Cisco IOS XE operating system HTTP servers allows attackers to induce service failures.

The vulnerability of Cisco IOS and Cisco IOS XE operating systems’ HTTP servers is related to incorrect processing of syntaxically incorrect structures. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...