VDB

CVE-2026-40061

CVE-2026-40061 PUBLISHED CVSS 6.5 MEDIUM

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.

EPSS 0.07% · 22.4th percentile

Risk Scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS Score
0.07%
22.4th percentile

Affected Products

VendorProductVersions
F5BIG-IP21.1.0, 21.0.0, 17.5.0

Timeline

  • May 13, 2026 CVE Published
  • May 14, 2026 CVE Updated
  • May 15, 2026 Security Advisory
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
  • May 20, 2026 EPSS Score
  • May 21, 2026 EPSS Score
  • May 22, 2026 EPSS Score
  • May 23, 2026 EPSS Score
  • May 24, 2026 EPSS Score
  • May 25, 2026 EPSS Score
  • May 26, 2026 EPSS Score
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