CVE-2025-36546

HIGH

F5OS-A 1.5.1-1.5.3 and F5OS-C 1.6.0-1.6.2 - Incorrect Authorization via SSH Key-Based Authentication

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://my.f5.com/manage/s/article/K000140574

Scores

CVSS v3 8.1
EPSS 0.0026
EPSS Percentile 49.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-863
Status published
Products (2)
f5/f5os-a 1.5.1 - 1.5.3
f5/f5os-c 1.6.0 - 1.6.2
Published May 07, 2025
Tracked Since Feb 18, 2026