CVE-2025-36546

High

Description

On an F5OS system, if the root user had previously configured the system to allow login via SSH key-based authentication, and then enabled Appliance Mode; access via SSH key-based authentication is still allowed. For an attacker to exploit this vulnerability they must obtain the root user's SSH private key. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

SeverityHigh

CVSS8.1

Exploit probability—

Product

F5os-a

PublishedMay 7, 2025

First seenMay 7, 2025

Weakness typeCWE-863Incorrect authorization

How to fix

Update

f5 f5os-a1.5.3 or later

Vendor advisories

my.f5.com/manage/s/article/K000140574

Affected products

Product	Affected versions	Fixed in
f5 f5os-a	1.5.1 ≤ v < 1.5.3	1.5.3
f5 f5os-c	1.6.0 ≤ v ≤ 1.6.2	—

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