F5 Networks BIG-IP : iControl REST and tmsh vulnerability (K000160863)

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 K000160863 advisory. A vulnerability exists in iControl REST and the TMOS Shell tmsh where a highly privileged, authenticat...

CVE-2026-39459 iControl REST and tmsh vulnerability

A vulnerability exists in iControl REST and the TMOS Shell tmsh where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-39459

CVE-2026-39459 affects BIG-IP products via iControl REST and the TMOS Shell (tmsh). An authenticated attacker with at least the Manager role over the network can create configuration objects that enable execution of arbitrary commands on the system. The F5 advisory lists affected branches and vul...

K000160863: iControl REST and tmsh vulnerability CVE-2026-39459

Security Advisory Description A vulnerability exists in iControl REST and the TMOS Shell tmsh where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands. CVE-2026-39459 Impact This vulnerability may allow...