# CVE-2025-11651: UTT 进取 518G formRemoteControl sub_4247AC buffer overflow

> Remote attackers can trigger a buffer overflow in the UTT 518G router's remote control form, potentially leading to 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:** 12 Oct 2025
- **Updated:** 14 Oct 2025
- **Also known as:** GHSA-464j-7q34-j9w2

## What is CVE-2025-11651?

CVE-2025-11651 is a high-severity memory corruption vulnerability in UTT 进取 518G, published on 12 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in UTT 进取 518G up to V3v3.2.7-210919-161313. This vulnerability affects the function sub_4247AC of the file /goform/formRemoteControl. The manipulation of the argument Profile leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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-2025-11651?

It affects 1 product.


Products: Utt 518g Firmware.

## How do I fix CVE-2025-11651?

No fix has been published for CVE-2025-11651 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-11651 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11651 exists.

## Other vulnerabilities in UTT 进取 518G

- [CVE-2025-11652](https://insights.sbomify.com/CVE-2025-11652/): UTT 进取 518G formTaskEdit_ap buffer overflow (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-11651 and fix it if it is affected.

What it is: CVE-2025-11651 is a high-severity memory corruption vulnerability in UTT 进取 518G, published on 12 Oct 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-2025-11651 exists.

Affected product: UTT 进取 518G. 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-2025-11651/ (Markdown: https://insights.sbomify.com/CVE-2025-11651/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-11651
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-11651
- OSV: https://osv.dev/vulnerability/CVE-2025-11651

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-11651/
Summaries are generated and may contain mistakes; the official description above is the record.