Multiple arbitrary file reads in ZkTeco-based OEM devices
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-23 and the CVSS impact.
Summary
Relative Path Traversal vulnerability in ZkTeco-based OEM devices allows an attacker to access any file on the system. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with the ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly others.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 | ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 | ZAM170-NF-1.8.25-7354-Ver1.0.0 | — | No fix listed | CNA |
- ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 VendorZKTeco Affected ZAM170-NF-1.8.25-7354-Ver1.0.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3940
- 2026-10-03 Alias added: GHSA-g7hp-974g-6wg8
More ZKTeco vulnerabilities
- 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
Sources
- CVE-2023-3940 · CVE Program
- CVE-2023-3940 · NVD
- FIRST EPSS
- GHSA-g7hp-974g-6wg8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences