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 ...

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...

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 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 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 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...

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...

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

CVE-2026-20083 describes a DoS vulnerability in the SCP server feature of Cisco IOS XE. An authenticated, low-privilege local attacker can trigger a reload via a crafted SCP command issued over SSH due to improper handling of a malformed request. The practical impact is a device DoS from unexpect...

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...

CVE-2026-20125

CVE-2026-20125 affects the HTTP Server feature in Cisco IOS Software and Cisco IOS XE Software Release 3E . The root cause is improper validation of user-supplied input, which can be exploited by sending malformed HTTP requests to an affected device. A successful exploit would cause the device to...

CVE-2026-20012

The CVE-2026-20012 entry describes a memory-leak DoS in the IKEv2 handling of Cisco IOS, IOS XE, ASA, and FTDS (Threat Defense). Root cause: improper parsing of IKEv2 packets leading to conditions where devices reload (IOS/IOS XE) or exhaust memory to the point of instability (ASA/FTD). Affected ...

Cisco IOS Software and IOS XE Software Release 3E HTTP Server Denial of Service Vulnerability

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-2026-20025

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF...

CVE-2026-20050

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, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper memory...

CVE-2026-20015

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may impact the availability of services to devices elsewhere in the network. This...

CVE-2026-20024

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF...

CVE-2026-20022

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition when OSPF canonicalization debug is enabled by using the...

CVE-2026-20101

A vulnerability in the SAML 2.0 single sign-on SSO feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to insufficient error checki...