CVE-2025-66954 Information disclosure in n/a
Unauthenticated attackers can enumerate valid usernames and privilege roles by modifying parameters in requests to the /nasapi endpoint.
- 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-2025-66954?
CVE-2025-66954 is a medium-severity vulnerability in n/a, published on 20 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability exists in the Buffalo Link Station version 1.85-0.01 that allows unauthenticated or guest-level users to enumerate valid usernames and their associated privilege roles. The issue is triggered by modifying a parameter within requests sent to the /nasapi endpoint.
Weakness: CWE-639
Which versions are affected by CVE-2025-66954?
How do I fix CVE-2025-66954?
No fix has been published for CVE-2025-66954 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66954 being exploited?
There is no known exploitation of CVE-2025-66954 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-3gjh-jvm6-6pfg.