CVE-2025-54464

High

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.

SeverityHigh

CVSS7.0

Exploit probability—

ProductWL20 Biometric Attendance System

PublishedAug 13, 2025

First seenAug 13, 2025

Weakness typeCWE-312CWE-312

How to fix

Vendor advisories

zkteco.com/en/Security_Bulletinsibs/20

Affected products

Product	Affected versions	Fixed in
ZKTeco Co WL20 Biometric Attendance System	<=ZLM31-FXO1-3.1.8	—

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