# CVE-2025-9661: Command injection in Hitachi Virtual Storage Platform One Block 23

> Attackers can execute arbitrary OS commands via the management GUI of Hitachi Virtual Storage Platform One Block devices.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 May 2026
- **Updated:** 7 May 2026
- **Also known as:** GHSA-4xr5-xgm7-4447

## What is CVE-2025-9661?

CVE-2025-9661 is a high-severity command injection vulnerability in Hitachi Virtual Storage Platform One Block 23, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

OS command injection vulneravility in the management gui (maintenance utility) of Hitachi Virtual Storage Platform One Block 23, 24, 26 and 28.

This issue affects Hitachi Virtual Storage Platform One Block 23/24/26/28: before DKCMAIN A3-04-21-40/00, ESM A3-04-21/00.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2025-9661?

It affects 1 product.


Products: Hitachi Virtual Storage One Block.

## How do I fix CVE-2025-9661?

No fix has been published for CVE-2025-9661 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9661 being exploited?

There is no known exploitation of CVE-2025-9661 in the wild and no public exploit code.

## Other vulnerabilities in Hitachi Virtual Storage Platform One Block 23

- [CVE-2025-1978](https://insights.sbomify.com/CVE-2025-1978/): Remote Code Execution Vulnerability in Hitachi Storage Navigator and the maintenance console (high 8.3)
- [CVE-2025-2514](https://insights.sbomify.com/CVE-2025-2514/): Improper Restriction of Excessive Authentication Attempts vulnerability in Hitachi Virtual Storage Platform (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9661 and fix it if it is affected.

What it is: CVE-2025-9661 is a high-severity command injection vulnerability in Hitachi Virtual Storage Platform One Block 23, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-9661 in the wild and no public exploit code.

Affected product: Hitachi Virtual Storage Platform One Block 23. 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-2025-9661/ (Markdown: https://insights.sbomify.com/CVE-2025-9661/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9661
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9661
- OSV: https://osv.dev/vulnerability/CVE-2025-9661

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-9661/
Summaries are generated and may contain mistakes; the official description above is the record.