F5-K000160902: Input Validation

Published Apr 20, 2026
·
Updated

Improper input validation in the UEFI WheaERST module for some Intel(R) reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Affected Software

5 affected components
F5 BIG-IP=21.0.0
F5 BIG-IP>=17.5.0<=17.5.1, >=17.1.0<=17.1.3
F5 BIG-IP>=16.1.0<=16.1.6
F5 F5OS-A>=1.8.0<=1.8.3, >=1.5.1<=1.5.4
F5 F5OS-C>=1.8.0<=1.8.2, >=1.6.0<=1.6.4

Event History

Apr 20, 2026
Advisory Published
via F5·09:08 PM
Data Sourced
via F5·09:08 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of F5-K000160902?

The severity of F5-K000160902 is categorized as critical due to improper input validation that may allow for escalation of privilege.

2

How can I fix F5-K000160902?

To fix F5-K000160902, update to the latest version of the affected F5 BIG-IP or F5OS software as recommended in the vendor's advisory.

3

Who is affected by F5-K000160902?

F5-K000160902 affects users of F5 BIG-IP and F5OS-A and F5OS-C versions specified in the advisory.

4

What types of attacks can exploit F5-K000160902?

F5-K000160902 can be exploited by an adversary with privileged access conducting a high complexity attack.

5

What are the consequences of F5-K000160902?

Exploitation of F5-K000160902 could result in unauthorized escalation of privileges within the affected software environments.

Contact

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