# CVE-2025-15215: Tenda AC10U HTTP POST Request setPptpUserList formSetPPTPUserList buffer overflow

> Remote attackers can trigger a buffer overflow in the Tenda AC10U router via a crafted HTTP POST request, potentially leading to arbitrary code execution.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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:** 30 Dec 2025
- **Updated:** 24 Feb 2026
- **Also known as:** GHSA-p9pg-8prj-h5rw

## What is CVE-2025-15215?

CVE-2025-15215 is a high-severity memory corruption vulnerability in Tenda AC10U, published on 30 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was determined in Tenda AC10U 15.03.06.48/15.03.06.49. This affects the function formSetPPTPUserList of the file /goform/setPptpUserList of the component HTTP POST Request Handler. This manipulation of the argument list causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2025-15215?

It affects 1 product.


Products: Tenda Ac10u Firmware.

## How do I fix CVE-2025-15215?

No fix has been published for CVE-2025-15215 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-15215 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15215 exists.

## Other vulnerabilities in Tenda AC10U

- [CVE-2024-2763](https://insights.sbomify.com/CVE-2024-2763/): Tenda AC10U setcfm formSetCfm stack-based overflow (high 8.8)
- [CVE-2024-2764](https://insights.sbomify.com/CVE-2024-2764/): Tenda AC10U SetPptpServerCfg formSetPPTPServer stack-based overflow (high 8.8)
- [CVE-2024-2703](https://insights.sbomify.com/CVE-2024-2703/): Tenda AC10U SetOnlineDevName formSetDeviceName stack-based overflow (high 8.8)
- [CVE-2024-2704](https://insights.sbomify.com/CVE-2024-2704/): Tenda AC10U SetFirewallCfg formSetFirewallCfg stack-based overflow (high 8.8)
- [CVE-2024-2705](https://insights.sbomify.com/CVE-2024-2705/): Tenda AC10U SetNetControlList formSetQosBand stack-based overflow (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15215 and fix it if it is affected.

What it is: CVE-2025-15215 is a high-severity memory corruption vulnerability in Tenda AC10U, published on 30 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15215 exists.

Affected product: Tenda AC10U. 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-2025-15215/ (Markdown: https://insights.sbomify.com/CVE-2025-15215/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15215
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15215
- OSV: https://osv.dev/vulnerability/CVE-2025-15215

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-15215/
Summaries are generated and may contain mistakes; the official description above is the record.