# CVE-2025-15391: D-Link DIR-806A SSDP Request ssdpcgi_main command injection

> Remote attackers can execute arbitrary commands on unsupported D-Link DIR-806A routers via a command injection flaw in the SSDP handler.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Dec 2025
- **Updated:** 2 Jan 2026
- **Also known as:** GHSA-6f5x-35qc-g7mg

## What is CVE-2025-15391?

CVE-2025-15391 is a medium-severity command injection vulnerability in D-Link DIR-806A, published on 31 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A weakness has been identified in D-Link DIR-806A 100CNb11. Affected is the function ssdpcgi_main of the component SSDP Request Handler. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2025-15391?

It affects 1 product.


Products: Dlink Dir-806a Firmware.

## How do I fix CVE-2025-15391?

No fix has been published for CVE-2025-15391 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-15391 being exploited?

There is no known exploitation of CVE-2025-15391 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15391 and fix it if it is affected.

What it is: CVE-2025-15391 is a medium-severity command injection vulnerability in D-Link DIR-806A, published on 31 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-15391 in the wild and no public exploit code.

Affected product: D-Link DIR-806A. 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-2025-15391/ (Markdown: https://insights.sbomify.com/CVE-2025-15391/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15391
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15391
- OSV: https://osv.dev/vulnerability/CVE-2025-15391

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-15391/
Summaries are generated and may contain mistakes; the official description above is the record.