F5 Networks BIG-IP : iControl REST and tmsh vulnerability (K000160788)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.1 / 17.5.1.4 / 21.0.0.1. It is, therefore, affected by a vulnerability as referenced in the K000160788 advisory. When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS...

F5 Networks BIG-IP : BIG-IP qkview vulnerability (K000157895)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.1 / 17.5.1.4. It is, therefore, affected by a vulnerability as referenced in the K000157895 advisory. An improper sanitization vulnerability exists in the BIG-IPqkviewutility that allows a low-privileged attacker to...

F5 Networks BIG-IP : BIG-IP DTLS vulnerability (K000160901)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.1 / 17.5.1.4 / 21.0.0.1. It is, therefore, affected by a vulnerability as referenced in the K000160901 advisory. When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server,...

F5 Networks BIG-IP : BIG-IP TMM vulnerability (K000158038)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.1 / 17.5.1.4 / 21.0.0. It is, therefore, affected by a vulnerability as referenced in the K000158038 advisory. When a classification profile is configured on a UDP virtual server, undisclosed requests can cause the...

F5 Networks BIG-IP : BIG-IP Configuration utility vulnerability (K000160874)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.2 / 17.5.1.6 / 21.0.0.2. It is, therefore, affected by a vulnerability as referenced in the K000160874 advisory. When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol LDAP...

F5 Networks BIG-IP : BIG-IP HTTP/2 Layer 7 DoS Protection vulnerability (K000158979)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.1 / 17.5.1.4. It is, therefore, affected by a vulnerability as referenced in the K000158979 advisory. On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase...

F5 Networks BIG-IP : BIG-IP and BIG-IQ privilege escalation vulnerability (K000160971)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.2 / 17.5.1.6 / 21.0.0.2. It is, therefore, affected by a vulnerability as referenced in the K000160971 advisory. A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker...

PT-2026-41721

Name of the Vulnerable Software and Affected Versions lwIP versions prior to 2.2.2 Description A stack-based buffer overflow exists in the snmpv3 USM Handler component. A remote attacker can trigger this issue by manipulating the msgAuthenticationParameters argument within the snmp parse inbound...

EUVD-2026-30003

A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support EoTS are not...

EUVD-2026-29997

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support EoTS are...

EUVD-2026-29961

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-32643

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-41953

CVE-2026-41953 affects BIG-IP systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can modify configuration objects, leading to privilege escalation. The vulnerability is a control plane issue with no data-plane exposure, and impact includes priv...

CVE-2026-40698

CVE-2026-40698 affects BIG-IP and BIG-IQ where a highly privileged, authenticated user (Resource Administrator) can create SNMP configuration objects via iControl REST or tmsh, enabling privilege escalation. The connected advisory documents concrete details on affected products/versions and the u...

CVE-2026-42409

CVE-2026-42409 affects BIG-IP: when an HTTP/2 profile is used with an iRule containing HTTP::redirect or HTTP::respond on a virtual server, undisclosed requests can crash the Traffic Management Microkernel (TMM), causing DoS. Evidence in connected docs shows affected products: BIG-IP (all modules...

CVE-2026-40629 BIG-IP SSL/TLS vulnerability

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42781 BIG-IP FastL4 virtual server vulnerability

When embedded Packet Velocity Acceleration ePVA acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel TMM resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

K000160932: Quarterly Security Notification (May 2026)

Security Advisory Description On May 13, 2026, F5 announced the following security issues. This document is intended to serve as an overview of these vulnerabilities to help determine the impact to your F5 devices. You can find the details of each issue in the associated articles. You can watch t...

K000161022: iControl REST and tmsh vulnerability CVE-2026-41959

Security Advisory Description Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell tmsh network diagnostics commands and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view the network status of destination systems...

K000158971: BIG-IP Appliance mode vulnerability CVE-2026-42919

Security Advisory Description A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. CVE-2026-42919 Impact The vulnerability allows the...