---
id: CVE-2025-15128
title: A vulnerability was detected in ZKTeco BioTime up to 9.0.3/9.0.4/9.5.2
summary: >-
  A vulnerability was detected in ZKTeco BioTime up to 9.0.3/9.0.4/9.5.2. This
  affects an unknown part of the file /base/safe_setting/ of the component
  Endpoint. Performing a manipulation of the argument
  backup_encryption_password_decrypt/…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-255
  - CWE-256
published: '2025-12-28'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T19:10:00.210'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15128'
references:
  - url: 'https://github.com/ionutluca888/IDOR-POC-ZKBio-Time/tree/main'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2025-15128'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/711813'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/338506'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/338506/cti'
    label: cna@vuldb.com
  - url: 'https://www.zkteco.com/en/Security_Bulletinsibs/24'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00286
epssPercentile: 0.19235
ingestedAt: '2026-10-05T19:30:59.944Z'
---

## Overview

A vulnerability was detected in ZKTeco BioTime up to 9.0.3/9.0.4/9.5.2. This affects an unknown part of the file /base/safe_setting/ of the component Endpoint. Performing a manipulation of the argument backup_encryption_password_decrypt/export_encryption_password_decrypt results in unprotected storage of credentials. Remote exploitation of the attack is possible. The exploit is now public and may be used. Upgrading to version 9.0.6 is able to mitigate this issue. It is recommended to upgrade the affected component. The vendor confirms: "The mainstream version ZKBioTime V9.0.6 has fixed this vulnerability. Please update to the latest version as soon as possible. For the Middle East version BioTime 9.5.X, you can contact the local technical support to obtain the fix package."

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.