CVE-2025-55279: Hard-coded Private Key Vulnerability in ZKTeco WL20
This vulnerability exists in ZKTeco WL20 due to hard-coded private key 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 private key stored in the firmware of the targeted device.
Successful exploitation of this vulnerability could allow the attacker to perform unauthorized decryption of sensitive data and Man-in-the-Middle (MitM) attacks on the targeted device.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-55279?
CVE-2025-55279 is considered a high severity vulnerability due to the risk of an attacker gaining access to sensitive cryptographic keys.
How can I fix CVE-2025-55279?
To fix CVE-2025-55279, you should update the ZKTeco WL20 firmware to the latest version provided by the vendor after they release a patch.
What causes CVE-2025-55279?
CVE-2025-55279 is caused by a hard-coded private key stored in plaintext within the firmware of ZKTeco WL20 devices.
Who is affected by CVE-2025-55279?
Users of the ZKTeco WL20 device are affected by CVE-2025-55279 due to its insecure handling of cryptographic keys.
Can CVE-2025-55279 be exploited remotely?
CVE-2025-55279 requires physical access to the ZKTeco WL20 device for exploitation, making remote attack scenarios unlikely.