CVE-2026-20124

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...

CVE-2026-20301

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 ...

CVE-2026-20263

Technical details (affected product/version, root cause, exploit specifics) are not publicly provided in the supplied documents. Monitor for official advisories and updates.

EUVD-2026-53452

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...

CVE-2026-20124

CVE-2026-20124 affects Cisco IOS XE SNMP subsystem and is due to improper error handling when parsing SNMP requests. It allows an authenticated remote attacker to trigger a reload of an affected device, causing a DoS. Impact is described as affecting all SNMP versions (v1, v2c, v3); attacker must...

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...

Cisco Adaptive Security Appliance (ASA) Software IKEv2 Multiple Vulnerabilities (cisco-sa-asa-ftd-ios-dos-DOESHWHy)

According to its self-reported version, Cisco ASA 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 ASA/FTD Web Services Infinite Loop (CVE-2024-20353)

A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance ASA Software and Cisco Firepower 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...

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 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 Cis...

CVE-2026-20185

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco 350 Series Managed Switches SG350 and Cisco 350X Series Stackable Managed Switches SG350X firmware could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This...

CVE-2026-20185

Cisco SG350 and SG350X Series Managed Switches are affected by a vulnerability in the SNMP subsystem (CVE-2026-20185). The issue stems from improper error handling when parsing response data for a specific SNMP request, which could allow an authenticated, remote attacker to cause a DoS condition ...

PT-2026-37654

Name of the Vulnerable Software and Affected Versions Cisco 350 Series Managed Switches SG350 affected versions not specified Cisco 350X Series Stackable Managed Switches SG350X affected versions not specified Description An issue in the Simple Network Management Protocol SNMP subsystem occurs du...

Cisco 350X Series和Cisco 350 Series 安全漏洞

The Cisco 350X Series and Cisco 350 Series are a series of enterprise-class stackable Ethernet switches from the American company Cisco. There are security vulnerabilities in both the Cisco 350X Series and Cisco 350 Series. These vulnerabilities stem from improper error handling when parsing...

Cisco Firepower Threat Defense (FTD) Software SSL Decryption Policy DoS (cisco-sa-ftd-dnd-dos-bpEcg7B7)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by a vulnerability. - A vulnerability in the Do Not Decrypt exclusion feature of the SSL decryption feature of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated,...

Cisco Firepower Threat Defense (FTD) Software ESP Packet Processing DoS (cisco-sa-asaftd-esp-dos-uv7yD8P5)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by a vulnerability. - A vulnerability in the processing of Galois/Counter Mode GCM-encrypted Internet Key Exchange version 2 IKEv2 IPsec traffic of Cisco Secure Firewall Adaptive Security Applian...

Cisco IOS XE Software Release 3E HTTP Server DoS (cisco-sa-ios-http-dos-sbv8XRpL)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A denial of service DoS vulnerability exists in Cisco IOS XE Software due to improper validation of user-supplied input. An authenticated remote attacker can exploit this issue, via sending malformed...

Cisco IOS Software HTTP Server DoS (cisco-sa-ios-http-dos-sbv8XRpL)

According to its self-reported version, Cisco IOS is affected by a vulnerability. - A denial of service DoS vulnerability exists in Cisco IOS Software due to improper validation of user-supplied input. An authenticated remote attacker can exploit this issue, via sending malformed HTTP requests to...

CVE-2026-20125

A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could allow an authenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to improper validation ...

CVE-2026-20012

A vulnerability in the Internet Key Exchange version 2 IKEv2 feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance ASA Software, and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a...

CVE-2026-20083

A vulnerability in the Secure Copy Protocol SCP server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privileges to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of a malformed SCP request. An...