CVE-2025-55279 | THREATINT

Description

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.

PUBLISHED Reserved 2025-08-12 | Published 2025-08-13 | Updated 2025-08-13 | Assigner CERT-In

MEDIUM: 6.9CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Problem types

CWE-798: Use of Hard-coded Credentials

Product status

Default status

unaffected

<=ZLM31-FXO1-3.1.8

affected

Credits

This vulnerability is reported by Shravan Singh from Kavach IoT Security. finder

References

www.cert-in.org.in/...eid=PUBVLNOTES01&VLCODE=CIVN-2025-0172 third-party-advisory

cve.org (CVE-2025-55279)

nvd.nist.gov (CVE-2025-55279)

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