# CVE-2025-8949: D-Link DIR-825 httpd ping_response.cgi get_ping_app_stat stack-based overflow

> Remote attackers can trigger a stack-based buffer overflow in the httpd service of unsupported D-Link DIR-825 routers, potentially leading to code execution or denial of service.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Aug 2025
- **Updated:** 14 Aug 2025
- **Also known as:** GHSA-6c7f-wgvw-w7fx

## What is CVE-2025-8949?

CVE-2025-8949 is a high-severity memory corruption vulnerability in D-Link DIR-825, published on 14 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability was identified in D-Link DIR-825 2.10. Affected by this vulnerability is the function get_ping_app_stat of the file ping_response.cgi of the component httpd. The manipulation of the argument ping_ipaddr leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-121 (Stack-based Buffer Overflow), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2025-8949?

It affects 1 product.


Products: Dlink Dir-825 Firmware.

## How do I fix CVE-2025-8949?

No fix has been published for CVE-2025-8949 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-8949 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8949 exists.

## Other vulnerabilities in D-Link DIR-825

- [CVE-2022-47035](https://insights.sbomify.com/CVE-2022-47035/): Memory corruption in n/a (critical 9.8)
- [CVE-2021-46442](https://insights.sbomify.com/CVE-2021-46442/): Auth bypass in n/a (critical 9.8)
- [CVE-2025-7206](https://insights.sbomify.com/CVE-2025-7206/): D-Link DIR-825 httpd switch_language.cgi sub_410DDC stack-based overflow (critical 9.3)
- [CVE-2021-46441](https://insights.sbomify.com/CVE-2021-46441/): Command injection in n/a (high 8.8)
- [CVE-2020-10213](https://insights.sbomify.com/CVE-2020-10213/): Command injection in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-8949 and fix it if it is affected.

What it is: CVE-2025-8949 is a high-severity memory corruption vulnerability in D-Link DIR-825, published on 14 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8949 exists.

Affected product: D-Link DIR-825. 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-2025-8949/ (Markdown: https://insights.sbomify.com/CVE-2025-8949/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-8949
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-8949
- OSV: https://osv.dev/vulnerability/CVE-2025-8949

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-8949/
Summaries are generated and may contain mistakes; the official description above is the record.