CVE-2025-55280 — Information Disclosure Vulnerability in ZKTeco WL20

Description (CNA)

This vulnerability exists in ZKTeco WL20 due to storage of Wi-Fi credentials, configuration data and system data in plaintext within 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 plaintext sensitive data stored in the targeted device. Successful exploitation of this vulnerability could allow the attacker to gain unauthorized network access, retrieve and manipulate data on the targeted device.

Affected (CNA)

Vendor / product	Versions
ZKTeco Co / WL20 Biometric Attendance System	affected <=ZLM31-FXO1-3.1.8

CWE

CWE-312

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2025-0172

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.