CVE-2025-54464

Cleartext Storage Vulnerability in ZKTeco WL20

CVSS 7 HIGHEPSS 0.1%CWE-312

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

13 Aug 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

ZKTeco Co · WL20 Biometric Attendance System

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References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2025-0172 https://www.zkteco.com/en/Security_Bulletinsibs/20