Description
This vulnerability exists in ZKTeco WL20 due to storage of admin and user credentials without encryption in the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the unencrypted credentials stored in the firmware of targeted device.
Published: 2025-08-13
Score: 7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Upgrade ZKTeco WL20 Biometric Attendance System firmware to version ZLM31-FXO1-4.0.3. https://www.zkteco.com/en/Security_Bulletinsibs/20

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-24558 This vulnerability exists in ZKTeco WL20 due to storage of admin and user credentials without encryption in the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the unencrypted credentials stored in the firmware of targeted device.
History

Wed, 13 Aug 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 13 Aug 2025 11:30:00 +0000

Type Values Removed Values Added
Description This vulnerability exists in ZKTeco WL20 due to storage of admin and user credentials without encryption in the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the unencrypted credentials stored in the firmware of targeted device.
Title Cleartext Storage Vulnerability in ZKTeco WL20
Weaknesses CWE-312
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-In

Published:

Updated: 2025-08-13T13:10:37.654Z

Reserved: 2025-07-22T08:56:34.298Z

Link: CVE-2025-54464

cve-icon Vulnrichment

Updated: 2025-08-13T13:10:34.565Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-13T12:15:25.927

Modified: 2025-08-13T17:33:46.673

Link: CVE-2025-54464

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses