PT-2026-93955

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software affected versions not specified Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description An issue in the system rate-limiting process for syslo...

CVE-2026-20248: Signed to Unsigned Conversion Error

A vulnerability in the DNS over TCP implementation of 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 TCP DNS response handler to unexpectedly restart, causing the...

CVE-2026-20331: Protection Mechanism Failure

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20154: Loop with Unreachable Exit Condition

A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device...

PT-2026-93985

Name of the Vulnerable Software and Affected Versions Cisco Secure Adaptive Security Appliance Software affected versions not specified Cisco Secure Firewall Threat Defense Software affected versions not specified Cisco Secure Firewall Management Center Software affected versions not specified...

PT-2026-93954

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description An issue in the TLS 1.3 implementation allows an unauthenticated remote attacker to cause a device to reload unexpectedly, leading to a denial of...

PT-2026-93974

A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL...

PT-2026-93980

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Management Center FMC Software affected versions not specified Description A flaw in the sftunnel inter-device communication protocol allows an authenticated remote attacker to execute arbitrary commands with root...

PT-2026-93989

Name of the Vulnerable Software and Affected Versions Cisco Secure Adaptive Security Appliance Software affected versions not specified Cisco Secure Firewall Threat Defense Software affected versions not specified Cisco Secure Firewall Management Center Software affected versions not specified...

CVE-2026-20334: Improper Adherence to Coding Standards

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

Cisco Secure Firewall Management Center CommandSinkRmi Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco Secure Firewall Management Center. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CommandSinkRmi class. The issue results from the lack of...

PT-2026-93963

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Management Center FMC Software affected versions not specified Description A flaw in the External Database Access feature allows an unauthenticated remote attacker to execute arbitrary commands with root privileges. The...

PT-2026-93960

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software affected versions not specified Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description An issue in the EIGRP implementation allows an...

CVE-2026-20222: Missing Release of Memory after Effective Lifetime

A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS...

PT-2026-93966

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software affected versions not specified Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A logic error in the certification authentication...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38404)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the delIpPortFilterRules function. Attackers can exploit this vulnerability by sending specially crafted POST reques...

AlmaLinux 9 : firewalld (ALSA-2026:67585)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:67585 advisory. firewalld: firewalld: Local unprivileged user can modify firewall state due to D-Bus setter mis- authorization CVE-2026-4948 Tenable has extracted the preceding...

PT-2026-93988

Name of the Vulnerable Software and Affected Versions Cisco Secure Adaptive Security Appliance Software affected versions not specified Cisco Secure Firewall Threat Defense Software affected versions not specified Cisco Secure Firewall Management Center Software affected versions not specified...

RHEL 10 : firewalld (RHSA-2026:67843)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:67843 advisory. firewalld is a firewall service daemon that provides a dynamic customizable firewall with a D-Bus interface. Security Fixes: firewalld: firewalld:...

Moderate: Red Hat Security Advisory: firewalld security update

An update for firewalld is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...