# CVE-2025-34056: AVTECH IP camera, DVR, and NVR Devices Authenticated Root Command Execution

> Authenticated attackers can execute arbitrary shell commands with root privileges on AVTECH IP cameras, DVRs, and NVRs via the PwdGrp.cgi endpoint.

- **Severity:** Critical 9.4 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **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:** 1 Jul 2025
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-p635-mc4f-9vx8

## What is CVE-2025-34056?

CVE-2025-34056 is a critical command injection vulnerability in AVTECH IP camera, DVR, and NVR Devices, published on 1 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An OS command injection vulnerability exists in AVTECH IP camera, DVR, and NVR devices via the PwdGrp.cgi endpoint, which handles user and group management operations. Authenticated users can supply input through the pwd or grp parameters, which are directly embedded into system commands without proper sanitation. This allows for the execution of arbitrary shell commands with root privileges.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2025-34056?


## How do I fix CVE-2025-34056?

No fix has been published for CVE-2025-34056 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-34056 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34056 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-34056 and fix it if it is affected.

What it is: CVE-2025-34056 is a critical command injection vulnerability in AVTECH IP camera, DVR, and NVR Devices, published on 1 Jul 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-2025-34056 exists.

Affected product: AVTECH IP camera, DVR, and NVR Devices. 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-2025-34056/ (Markdown: https://insights.sbomify.com/CVE-2025-34056/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-34056
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34056
- OSV: https://osv.dev/vulnerability/CVE-2025-34056

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-34056/
Summaries are generated and may contain mistakes; the official description above is the record.