F5-K000154647: High severity F5 BIG-IP vulnerability

Published Oct 15, 2025
·
Updated

A vulnerability exists in the iHealth utility of the TMOS Shell (tmsh) that may allow an authenticated attacker with at least a resource administrator role to bypass tmsh restrictions and gain access to the Advanced Shell (bash). For BIG-IP systems running in Appliance mode, a successful exploit can allow the attacker to cross a security boundary.

Affected Software

3 affected componentsFixes available
F5 BIG-IP>=17.5.0<=17.5.1, >=17.1.0<=17.1.2
17.5.1.117.1.3
F5 BIG-IP>=16.1.0<=16.1.6
16.1.6.1
F5 BIG-IP>=15.1.0<=15.1.10
15.1.10.8

Event History

Oct 15, 2025
Advisory Published
via F5·11:16 AM
Data Sourced
via F5·11:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of F5-K000154647?

The severity of F5-K000154647 is categorized as medium, as it allows authenticated attackers to bypass restrictions in the tmsh.

2

How do I fix F5-K000154647?

To fix F5-K000154647, you should upgrade to the patched versions 17.5.1.117.1.3, 16.1.6.1, or 15.1.10.8 depending on the affected BIG-IP software version.

3

Who is affected by F5-K000154647?

F5-K000154647 affects BIG-IP systems running versions 15.1.x, 16.1.x, and 17.1.x to 17.5.x.

4

What types of attacks can result from F5-K000154647?

The F5-K000154647 vulnerability can allow an authenticated attacker to access the Advanced Shell, potentially leading to unauthorized system control.

5

Is F5-K000154647 present in BIG-IP systems in Appliance mode?

Yes, F5-K000154647 specifically affects BIG-IP systems operating in Appliance mode.

Contact

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