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Findings

CVE-2016-20025

ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files.

Published Mar 16, 2026 · updated Jun 17, 2026

ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with malicious code for privilege escalation.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 16, 2026 · NIST NVD

    Detected

    ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with malicious code for privilege escalation.

  2. Jun 17, 2026 · NIST NVD

    Updated

    ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable binaries with malicious code for privilege escalation.

Sources

  • CVE.orgVulnerability recordCVE-2016-20025

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2016-20025

    ZKTeco ZKAccess Professional 3.5.3 contains an insecure file permissions vulnerability that allows authenticated users to escalate privileges by modifying executable files. Attackers can leverage the Modify permission granted to the Authenticated Users group to replace executable

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttps://packetstormsecurity.com/files/138566

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References