Cisco Adaptive Security Appliance (ASA) Software VPN DoS Vulnerabilities (cisco-sa-asaftd-vpn-m9sx6MbC)

According to its self-reported version, Cisco ASA Software is affected by multiple vulnerabilities. - A vulnerability in the Lua interpreter of the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD...

Cisco Secure Firewall Management Center Software SQL Injection Vulnerabilities (cisco-sa-fmc-sql-injection-2qH6CcJd)

According to its self-reported version, Cisco Secure Firewall Management Center FMC is affected by multiple vulnerabilities. - Multiple vulnerabilities in the web-based management interface of Cisco Secure Firewall Management Center FMC Software could allow an authenticated, remote attacker to...

Cisco Firepower Threat Defense (FTD) Software TLS with Snort 3 Detection Engine DoS (cisco-sa-ftd-tcp-dos-rHfqnwRg)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by a vulnerability. - A vulnerability in the TLS processing feature of the Snort 3 detection engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote...

Cisco Firepower Threat Defense (FTD) Software Snort Deep Inspection Bypass (cisco-sa-ftd-snort-bypass-rLggKzVF)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by a vulnerability. - A vulnerability in the Snort detection engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the configured...

Cisco Firepower Threat Defense (FTD) Software OSPF DoS Vulnerabilities (cisco-sa-asaftd-ospf-ZH8PhbSW)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by multiple vulnerabilities. Please see the included Cisco BIDs and Cisco Security Advisory for more information. TRUSTED...

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 Adaptive Security Appliance (ASA) Software VPN DoS (cisco-sa-asaftd-vpn-dos-SpOFF2Re)

According to its self-reported version, Cisco ASA Software is affected by a vulnerability. - A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacke...

Cisco Firepower Threat Defense (FTD) Software VPN DoS Vulnerabilities (cisco-sa-asaftd-vpn-m9sx6MbC)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by multiple vulnerabilities. - A vulnerability in the Lua interpreter of the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure...

CVE-2026-5944 Cisco Intersight Device Connector for Nutanix Prism Central Unauthenticated API Access

An improper access control vulnerability exists in the Cisco Intersight Device Connector for Nutanix Prism Central. The service exposes an API passthrough endpoint on TCP port 7373 that is accessible within the network scope of the deployment environment without authentication. An unauthenticated...

New Linux FIRESTARTER Backdoor Targets Cisco Firepower Devices

CISA and NCSC warn that FIRESTARTER, a Linux-based backdoor, targets Cisco Firepower devices, evades patches, and enables persistent access even after firmware updates...

CVE-2026-41372 OpenClaw < 2026.4.2 - Loopback Protection Bypass via Trailing-Dot Localhost in CDP Discovery

OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose...

Cisco IOS XE Software DoS (cisco-sa-iosxe-mntc-dos-LZweQcyq)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists because...

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

The U.S. Cybersecurity and Infrastructure Security Agency CISA has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive Security Appliance ASA software was compromised in September 2025 with a new malware called FIRESTARTER. FIRESTARTER, per CISA and the U.K....

Cisco IOS XE Software IOx Application Hosting Environment CRLF Injection (cisco-sa-iox-crlf-NvgKTKJZ)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the web-based Cisco IOx application hosting environment management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to perform a carriage return lin...

Cisco Identity Services Engine Remote Code Execution Vulnerability (regreSSHion) (cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco Identity Services Engine is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco Identity Services Engine due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime...

Cisco DNA Spaces Connector Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)

According to its self-reported version, Cisco DNA Spaces Connector is affected by a vulnerability. - A remote code execution vulnerability exists in Cisco DNA Spaces Connector due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds,...

UAT-4356's Targeting of Cisco Firepower Devices

Cisco Talos is aware of UAT-4356's continued active targeting of Cisco Firepower devices' Firepower eXtensible Operating System FXOS. UAT-4356 exploited n-day vulnerabilities CVE-2025-20333 and CVE-2025-20362 to gain unauthorized access to vulnerable devices, where the threat actor deployed their...

Cisco IOS XE Software Lobby Ambassador Privilege Escalation (cisco-sa-iosxe-lobby-privesc-KwxBqJy)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that would...

PT-2026-34270

Name of the Vulnerable Software and Affected Versions Cisco ISE affected versions not specified Cisco ISE-PIC affected versions not specified Description Insufficient validation of user-supplied input allows an authenticated remote attacker with valid administrative credentials to execute arbitra...

CISA Adds 8 Exploited Flaws to KEV, Sets April-May 2026 Federal Deadlines

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday added eight new vulnerabilities to its Known Exploited Vulnerabilities KEV catalog, including three flaws impacting Cisco Catalyst SD-WAN Manager, citing evidence of active exploitation. The list of vulnerabilities is as...