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CVE-2026-40061

8.5 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.5 · f5NVD modified 2026-10-26 17:10

Affected (CPE criteria) 2

  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
  • cpe:2.3:a:f5:big-ip_domain_name_system:21.0.0:*:*:*:*:*:*:*

References 1