What is CVE-2025-36546?

CVE-2025-36546 is a high-severity vulnerability in F5 F5os - Appliance, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2025-05-07.

How severe is CVE-2025-36546?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in F5 F5os - Appliance

CVE-2025-36546

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…

Vulnerability class: Broken Access Control

EPSS: 0.003 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

F5 F5os - Appliance — versions 1.7.0, 1.5.1
F5 F5os - Chassis — versions 1.6.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

my.f5.com/manage/s/article/K000140574 (vendor-advisory)

Frequently asked questions

What is CVE-2025-36546?: CVE-2025-36546 is a high-severity vulnerability in F5 F5os - Appliance, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2025-05-07.
How severe is CVE-2025-36546?: High severity. CVSS v3 base score is 8.1 out of 10.