CVE-2025-65002 Auth bypass in iRMC
Attackers can bypass authentication on Fujitsu iRMC S6 firmware by using a 16-character username, gaining unauthorized access to Redfish or WebUI interfaces.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-65002?
CVE-2025-65002 is a high-severity authentication bypass vulnerability in Fujitsu / Fsas Technologies iRMC, published on 12 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Fujitsu / Fsas Technologies iRMC S6 on M5 before 1.37S mishandles Redfish/WebUI access if the length of a username is exactly 16 characters.
Weakness: CWE-863
Which versions are affected by CVE-2025-65002?
How do I fix CVE-2025-65002?
No fix has been published for CVE-2025-65002 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-65002 being exploited?
There is no known exploitation of CVE-2025-65002 in the wild and no public exploit code.
Sources
Also known as GHSA-fwh6-gc6c-w62q.