# CVE-2024-0295: Totolink LR1200GB cstecgi.cgi setWanCfg os command injection

> Remote attackers can execute arbitrary OS commands via the hostName parameter in the setWanCfg function of Totolink LR1200GB routers.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Jan 2024
- **Updated:** 16 Jun 2025
- **Also known as:** GHSA-v3g2-rmmh-vvg3

## What is CVE-2024-0295?

CVE-2024-0295 is a high-severity command injection vulnerability in Totolink LR1200GB, published on 8 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, was found in Totolink LR1200GB 9.1.0u.6619_B20230130. This affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument hostName leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249861 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2024-0295?

It affects 1 product.


Products: Totolink Lr1200gb Firmware.

## How do I fix CVE-2024-0295?

No fix has been published for CVE-2024-0295 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-0295 being exploited?

There is no known exploitation of CVE-2024-0295 in the wild and no public exploit code.

## Other vulnerabilities in Totolink LR1200GB

- [CVE-2024-1783](https://insights.sbomify.com/CVE-2024-1783/): Totolink LR1200GB Web Interface cstecgi.cgi loginAuth stack-based overflow (critical 9.8)
- [CVE-2023-46977](https://insights.sbomify.com/CVE-2023-46977/): Memory corruption in n/a (critical 9.8)
- [CVE-2024-0571](https://insights.sbomify.com/CVE-2024-0571/): Totolink LR1200GB cstecgi.cgi setSmsCfg stack-based overflow (high 8.8)
- [CVE-2024-0572](https://insights.sbomify.com/CVE-2024-0572/): Totolink LR1200GB cstecgi.cgi setOpModeCfg stack-based overflow (high 8.8)
- [CVE-2024-0573](https://insights.sbomify.com/CVE-2024-0573/): Totolink LR1200GB cstecgi.cgi setDiagnosisCfg stack-based overflow (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-0295 and fix it if it is affected.

What it is: CVE-2024-0295 is a high-severity command injection vulnerability in Totolink LR1200GB, published on 8 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-0295 in the wild and no public exploit code.

Affected product: Totolink LR1200GB. 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-2024-0295/ (Markdown: https://insights.sbomify.com/CVE-2024-0295/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-0295
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-0295
- OSV: https://osv.dev/vulnerability/CVE-2024-0295

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-0295/
Summaries are generated and may contain mistakes; the official description above is the record.