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CVE PROGRAM SOURCE RECORD8.5 High

CVE-2026-40061

iControl REST and tmsh vulnerability

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

F5 BIG-IP

Default version status: unknown

  • 21.1.0 to < *unaffected
  • 21.0.0 to < 21.0.0.1affected
  • 17.5.0 to < 17.5.1.4affected
  • 17.1.0 to < 17.1.3.1affected
  • 16.1.0 to < *affected

References