# CVE-2024-12002: Tenda FH451/FH1201/FH1202/FH1206 GetIPTV websReadEvent null pointer dereference

> Remote attackers can cause a denial of service in Tenda Wi-Fi extenders by triggering a null pointer dereference via the Content-Length header.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **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 Nov 2024
- **Updated:** 2 Dec 2024
- **Also known as:** GHSA-8f64-5gvc-rwm8

## What is CVE-2024-12002?

CVE-2024-12002 is a medium-severity vulnerability in Tenda Fh1202 Firmware, published on 30 Nov 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as problematic was found in Tenda FH451, FH1201, FH1202 and FH1206 up to 20241129. Affected by this vulnerability is the function websReadEvent of the file /goform/GetIPTV. The manipulation of the argument Content-Length leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-476 (NULL Pointer Dereference), CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2024-12002?

It affects 4 products.


Products: Tenda Fh1201 Firmware, Tenda Fh1202 Firmware, Tenda Fh1206 Firmware, Tenda Fh451 Firmware.

## How do I fix CVE-2024-12002?

No fix has been published for CVE-2024-12002 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-12002 being exploited?

There is no known exploitation of CVE-2024-12002 in the wild and no public exploit code.

## Other vulnerabilities in Tenda Fh1202 Firmware

- [CVE-2024-42947](https://insights.sbomify.com/CVE-2024-42947/): Command injection in n/a (critical 9.8)
- [CVE-2026-5045](https://insights.sbomify.com/CVE-2026-5045/): Tenda FH1201 Parameter WrlclientSet stack-based overflow (high 8.7)
- [CVE-2026-5046](https://insights.sbomify.com/CVE-2026-5046/): Tenda FH1201 Parameter WrlExtraSet formWrlExtraSet stack-based overflow (high 8.7)
- [CVE-2025-14994](https://insights.sbomify.com/CVE-2025-14994/): Tenda FH1201/FH1206 HTTP Request webtypelibrary strcat stack-based overflow (high 8.7)
- [CVE-2025-14995](https://insights.sbomify.com/CVE-2025-14995/): Tenda FH1201 SetIpBind sprintf stack-based overflow (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-12002 and fix it if it is affected.

What it is: CVE-2024-12002 is a medium-severity vulnerability in Tenda Fh1202 Firmware, published on 30 Nov 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-12002 in the wild and no public exploit code.

Affected product: Tenda Fh1202 Firmware. 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-2024-12002/ (Markdown: https://insights.sbomify.com/CVE-2024-12002/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-12002
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-12002
- OSV: https://osv.dev/vulnerability/CVE-2024-12002

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-12002/
Summaries are generated and may contain mistakes; the official description above is the record.