CVE-2025-55280 Information Disclosure Vulnerability in ZKTeco WL20
Attackers with physical access can extract firmware to retrieve plaintext Wi-Fi credentials and system data, enabling unauthorized network access and data manipulation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55280?
CVE-2025-55280 is a medium-severity vulnerability in ZKTeco Co WL20 Biometric Attendance System, published on 13 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-312
Which versions are affected by CVE-2025-55280?
How do I fix CVE-2025-55280?
No fix has been published for CVE-2025-55280 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-55280 being exploited?
There is no known exploitation of CVE-2025-55280 in the wild and no public exploit code.
Sources
Also known as GHSA-7xr8-3rww-649w.