TI-2025-13806 Aliases CVE-2025-15128 GHSA-hq3q-62v8-pp48

ZKTeco BioTime Endpoint safe_setting credentials storage

HIGH 70CWE-255Published 2025-12-28 · Updated 2026-06-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-256.

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/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."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00284 21st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed BioTime (ZKTeco): 9.0.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ZKTeco	BioTime	9.0.0; 9.0.1; 9.0.2; 9.0.3; 9.0.4; 9.5.0; 9.5.1; 9.5.2	9.0.6	Patch available	CNA

BioTime VendorZKTeco Affected 9.0.0; 9.0.1; 9.0.2; 9.0.3; 9.0.4; 9.5.0; 9.5.1; 9.5.2 Fixed in 9.0.6 Patch available CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zkteco:biotime::::::::	—	—	ZKTeco

cpe:2.3:a:zkteco:biotime:*:*:*:*:*:*:*:* Versions — — ·ZKTeco

Remediation

Fix · CNA BioTime (ZKTeco) Fixed in 9.0.6

Timeline

2026-10-02 Threatist record created from CVE-2025-15128
2026-10-03 Alias added: GHSA-hq3q-62v8-pp48

References

Exploit 1

https://github.com/ionutluca888/IDOR-POC-ZKBio-Time/tree/main

Other 1

https://www.zkteco.com/en/Security_Bulletinsibs/24

TI-2023-20210 A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows… KEVCVSS 3.1HIGH 7.5
TI-2025-28829 Hard-coded credentials in ZKTeco ZKBio CVSecurity CVSS 3.1CRITICAL 9.8
TI-2024-24297 ZKTeco ZKBio CVSecurity v6.1.1 was discovered to contain a hardcoded cryptographic key. CVSS 3.1CRITICAL 9.8
TI-2023-20211 ZKTeco BioTime 8.5.5 through 9.x before 9.0.1 (20240617.19506) allows authenticated… CVSS 3.1CRITICAL 9.8
TI-2016-09202 ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution CVSS 4.0CRITICAL 9.3
TI-2016-09200 ZKTeco ZKTime.Net 3.0.1.6 Insecure File Permissions Privilege Escalation CVSS 4.0CRITICAL 9.3

See all 70 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences