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

> Local attackers can exploit an uncontrolled search path in SunloginClient to execute arbitrary code or escalate privileges.

- **Severity:** High 7.3 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 May 2025
- **Updated:** 12 May 2025
- **Also known as:** GHSA-c85h-xcxx-g9mh

## What is CVE-2025-4532?

CVE-2025-4532 is a high-severity vulnerability in Shanghai Bairui Information Technology SunloginClient, published on 11 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-427 (Uncontrolled Search Path Element), CWE-426 (Untrusted Search Path)

## Which versions are affected by CVE-2025-4532?


## How do I fix CVE-2025-4532?

No fix has been published for CVE-2025-4532 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-4532 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4532 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-4532 and fix it if it is affected.

What it is: CVE-2025-4532 is a high-severity vulnerability in Shanghai Bairui Information Technology SunloginClient, published on 11 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4532 exists.

Affected product: Shanghai Bairui Information Technology SunloginClient. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-4532/ (Markdown: https://insights.sbomify.com/CVE-2025-4532/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-4532
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-4532
- OSV: https://osv.dev/vulnerability/CVE-2025-4532

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-4532/
Summaries are generated and may contain mistakes; the official description above is the record.