Hard-coded Credentials Vulnerability in ZKTeco WL20
This vulnerability exists in ZKTeco WL20 due to hard-coded MQTT credentials and endpoints stored in plaintext within the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and analyzing the binary data to retrieve the hard-coded MQTT credentials and endpoints f…
Severity medium: primary CNA CVSS 6.8 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-08-13T11:17:41.081Z. Updated 2025-08-13T13:09:41.836Z.