PT-2025-32980 · Zkteco · Zkteco Wl20

Published 2025-08-13 · Updated 2025-08-13 · CVE-2025-54465

Positive Technologies (AI Summary)

CVSS v4.0

6.8

Medium

Base vector

AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: ZKTeco WL20 (affected versions not specified)

Description: The device stores MQTT credentials and endpoints in plaintext within the firmware. An attacker with physical access can extract the firmware and analyze the binary data to retrieve the hard-coded MQTT credentials and endpoints from the targeted device. Successful exploitation could allow an attacker to gain unauthorized access to the MQTT broker and manipulate the device's communications.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2025-54465

Affected Products

Zkteco Wl20

References · 5

• https://zkteco.com/en/Security_Bulletinsibs/20 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-54465 · Security Note
• https://cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2025-0172 · Note
• https://t.me/cveNotify/132025 · Telegram Post
• https://twitter.com/CVEnew/status/1955658258363949150 · Twitter Post