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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- QNAP Authenticator
- QNAP Systems Inc. Authenticator — versions 1.3.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.qnap.com/en/security-advisory/qsa-25-30 (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.