# CVE-2024-8579: TOTOLINK AC1200 T8 cstecgi.cgi setWiFiRepeaterCfg buffer overflow

> Remote attackers can trigger a buffer overflow in the WiFi repeater configuration handler, potentially leading to arbitrary code execution on the device.

- **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`)
- **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:** 8 Sep 2024
- **Updated:** 9 Sep 2024
- **Also known as:** GHSA-gfc5-9fgm-gcmj

## What is CVE-2024-8579?

CVE-2024-8579 is a high-severity memory corruption vulnerability in TOTOLINK AC1200 T8, published on 8 Sep 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220. This affects the function setWiFiRepeaterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. It is possible to initiate the attack 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)

## Which versions are affected by CVE-2024-8579?

It affects 1 product.


Products: Totolink T8 Firmware.

## How do I fix CVE-2024-8579?

No fix has been published for CVE-2024-8579 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-8579 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8579 exists.

## Other vulnerabilities in TOTOLINK AC1200 T8

- [CVE-2024-46419](https://insights.sbomify.com/CVE-2024-46419/): Memory corruption in n/a (critical 9.8)
- [CVE-2024-46451](https://insights.sbomify.com/CVE-2024-46451/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-24150](https://insights.sbomify.com/CVE-2023-24150/): Command injection in n/a (critical 9.8)
- [CVE-2023-24151](https://insights.sbomify.com/CVE-2023-24151/): Command injection in n/a (critical 9.8)
- [CVE-2023-24152](https://insights.sbomify.com/CVE-2023-24152/): Command injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-8579 and fix it if it is affected.

What it is: CVE-2024-8579 is a high-severity memory corruption vulnerability in TOTOLINK AC1200 T8, published on 8 Sep 2024. 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-2024-8579 exists.

Affected product: TOTOLINK AC1200 T8. 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-2024-8579/ (Markdown: https://insights.sbomify.com/CVE-2024-8579/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8579
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8579
- OSV: https://osv.dev/vulnerability/CVE-2024-8579

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-8579/
Summaries are generated and may contain mistakes; the official description above is the record.