CVE-2025-54154

Physical authentication bypass

Published Oct 3, 2025 · Updated Oct 3, 2025

Improper authentication in QNAP Authenticator 1.3.x before 1.3.1.1227 allows physically proximate attackers to compromise system security. QNAP has not disclosed which authentication path fails or how physical input bypasses its check. Physical possession of the mobile device and passive user interaction are required; the exact confidentiality, integrity, and service consequences remain undisclosed.

CVSS severity6.9
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in QNAP Authenticator 1.3.x before 1.3.1.1227 allows physically proximate attackers to compromise system security. QNAP has not disclosed which authentication path fails or how physical input bypasses its check. Physical possession of the mobile device and passive user interaction are required; the exact confidentiality, integrity, and service consequences remain undisclosed.

The record

CVE
CVE-2025-54154
Published
Oct 3, 2025
Updated
Oct 3, 2025
Vendor
Linn Products Limited
Product
QNAP Authenticator
Classifications
CWE-287, CAPEC-115
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.3.x <1.3.1.1227

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Linn Products Limited · QNAP Authenticatorversion=1.3.x <1.3.1.1227

Published CVSS scores

6.8NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.9QNAP Systems, Inc.CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
CAPEC-115Authentication Bypass

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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