CVE-2025-61958 BIG-IP TMSH vulnerability

High 8.5 Published Updated

Authenticated resource administrators can bypass TMSH restrictions to access a bash shell, crossing security boundaries in Appliance mode.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-61958?

CVE-2025-61958 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 15 Oct 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability exists in the iHealth command that may allow an authenticated attacker with at least a resource administrator role to bypass tmsh restrictions and gain access to a bash shell.  For BIG-IP systems running in Appliance mode, 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.

Weakness: CWE-250

Which versions are affected by CVE-2025-61958?

It affects 21 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 15 more.

How do I fix CVE-2025-61958?

No fix has been published for CVE-2025-61958 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-61958 being exploited?

There is no known exploitation of CVE-2025-61958 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-998q-4g4x-cwcj.

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