# CVE-2013-5758: Command injection in n/a

> Remote authenticated attackers can execute arbitrary commands on Yealink VoIP phones via the cgiServer.exx endpoint.

- **Severity:** Critical 9.0 (`AV:N/AC:L/Au:S/C:C/I:C/A:C`)
- **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:** 3 Aug 2014
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-m4jr-2x8w-p434

## What is CVE-2013-5758?

CVE-2013-5758 is a critical command injection vulnerability in n/a, published on 3 Aug 2014. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

cgi-bin/cgiServer.exx in Yealink VoIP Phone SIP-T38G allows remote authenticated users to execute arbitrary commands by calling the system method in the body of a request, as demonstrated by running unauthorized services, changing directory permissions, and modifying files.

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

## Which versions are affected by CVE-2013-5758?

It affects 1 product.


Products: Yealink Sip-T38g.

## How do I fix CVE-2013-5758?

No fix has been published for CVE-2013-5758 yet. Limit exposure of the affected software until one is available.

## Is CVE-2013-5758 being exploited?

There is no known exploitation of CVE-2013-5758 in the wild and no public exploit code.

Public exploit code:

- Yealink VoIP Phone SIP-T38G - Remote Command Execution (exploitdb)
- Yealink VoIP Phone SIP-T38G - Privilege Escalation (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2013-5755](https://insights.sbomify.com/CVE-2013-5755/): Hardcoded credentials in n/a (critical 10.0)
- [CVE-2013-5756](https://insights.sbomify.com/CVE-2013-5756/): Path traversal in n/a (medium 4.0)
- [CVE-2013-5757](https://insights.sbomify.com/CVE-2013-5757/): Path traversal in n/a (medium 4.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-5758 and fix it if it is affected.

What it is: CVE-2013-5758 is a critical command injection vulnerability in n/a, published on 3 Aug 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2013-5758 in the wild and no public exploit code.

Affected product: n/a. 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-2013-5758/ (Markdown: https://insights.sbomify.com/CVE-2013-5758/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-5758
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-5758
- OSV: https://osv.dev/vulnerability/CVE-2013-5758

---
From sbomify Insights: https://insights.sbomify.com/CVE-2013-5758/
Summaries are generated and may contain mistakes; the official description above is the record.