CVE-2026-40061

published 2026-05-13

CVE-2026-40061: 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…

high 8.5 CVSS 4.0

AV N AC L AT N PR H UI N VC H VI H VA N SC N SI N SA N E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

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

6 ranges

Vendor	Product	Version range	Fixed in
f5	big-ip	>= 16.1.0 < *	*
f5	big-ip	>= 17.1.0 < 17.1.3.1	17.1.3.1
f5	big-ip	>= 17.5.0 < 17.5.1.4	17.5.1.4
f5	big-ip	>= 21.0.0 < 21.0.0.1	21.0.0.1
f5	big-ip_dns	—	—
f5	icontrol_rest	—	—

CWE-77