Auth bypass in QNAP Authenticator
CVE-2025-54154
An improper authentication vulnerability has been reported to affect QNAP Authenticator. If an attacker gains physical access, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: QNAP Authenticator 1.3.1.1227 and later
Vulnerability class: Broken Authentication
EPSS: 0.002 (11.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap Authenticator
- Qnap Systems Inc. Authenticator — versions 1.3.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-54154?
- CVE-2025-54154 is a medium-severity vulnerability in QNAP Authenticator, classified under Improper Authentication. CVSS score: 6.8/10. Published 2025-10-03.
- How severe is CVE-2025-54154?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2025-54154 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.