# CVE-2025-9818: Privilege escalation in PowerAct Pro <Master Agent>

> Attackers can execute unauthorized code with service privileges if the installation path contains spaces and is unquoted.

- **Severity:** Medium 6.7 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Sep 2025
- **Updated:** 17 Sep 2025
- **Also known as:** GHSA-4v26-47w8-q4gm

## What is CVE-2025-9818?

CVE-2025-9818 is a medium-severity vulnerability in OMRON SOCIAL SOLUTIONS CO., Ltd. PowerAct Pro <Master Agent>, published on 17 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability (CWE-428) has been identified in the Uninterruptible Power Supply (UPS) management application provided by OMRON SOCIAL SOLUTIONS Co., Ltd., where the executable file paths of Windows services are not enclosed in quotation marks. If the installation folder path of this product contains spaces, there is a possibility that unauthorized files may be executed under the service privileges by using paths containing spaces.

Weakness: CWE-428 (Unquoted Search Path or Element)

## Which versions are affected by CVE-2025-9818?


## How do I fix CVE-2025-9818?

No fix has been published for CVE-2025-9818 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9818 being exploited?

There is no known exploitation of CVE-2025-9818 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9818 and fix it if it is affected.

What it is: CVE-2025-9818 is a medium-severity vulnerability in OMRON SOCIAL SOLUTIONS CO., Ltd. PowerAct Pro <Master Agent>, published on 17 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-9818 in the wild and no public exploit code.

Affected product: OMRON SOCIAL SOLUTIONS CO., Ltd. PowerAct Pro <Master Agent>. 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-2025-9818/ (Markdown: https://insights.sbomify.com/CVE-2025-9818/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9818
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9818
- OSV: https://osv.dev/vulnerability/CVE-2025-9818

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-9818/
Summaries are generated and may contain mistakes; the official description above is the record.