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OpenAdvisories
High · 8.7 CVE-2026-40061 EUVD-2026-29970GHSA-rpj4-762v-f8r2

iControl REST and tmsh vulnerability

Published May 13, 2026 · Updated May 14, 2026 · Assigned by f5

Description

When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with the Resource Administrator or Administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 21.0.0 – < 21.0.0.1, 17.5.0 – < 17.5.1.4, 17.1.0 – < 17.1.3.1, 16.1.0 21.0.0.1

Advisories 2

References