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Medium · 6.5 CVE-2026-40698 EUVD-2026-29979GHSA-r6m3-x9hj-j6gx

iControl REST and TMSH vulnerability

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

Description

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can create SNMP configuration objects through iControl REST or the TMOS shell (tmsh) resulting in privilege escalation.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 21.0.0 – < 21.0.0.2, 17.5.0 – < 17.5.1.6, 17.1.0 – < 17.1.3.2, 16.1.0 21.0.0.2
F5 BIG-IQ 8.4.0 —

Advisories 2

References