# CVE-2025-34023: Karel IP Phone IP1211 Path Traversal

> Authenticated attackers can read arbitrary files on Karel IP1211 IP Phones via path traversal in the web management panel.

- **Severity:** High 8.5 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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:** 20 Jun 2025
- **Updated:** 29 Oct 2026
- **Also known as:** GHSA-37m2-9j5v-c4v4

## What is CVE-2025-34023?

CVE-2025-34023 is a high-severity path traversal vulnerability in Karel IP Phone IP1211, published on 20 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-02 UTC.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2025-34023?


## How do I fix CVE-2025-34023?

No fix has been published for CVE-2025-34023 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-34023 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34023 exists.

Public exploit code:

- Karel IP Phone IP1211 Web Management Panel - Local File Inclusion (nuclei): http/cves/2025/CVE-2025-34023.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-34023 and fix it if it is affected.

What it is: CVE-2025-34023 is a high-severity path traversal vulnerability in Karel IP Phone IP1211, published on 20 Jun 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-2025-34023 exists.

Affected product: Karel IP Phone IP1211. 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-2025-34023/ (Markdown: https://insights.sbomify.com/CVE-2025-34023/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-34023
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34023
- OSV: https://osv.dev/vulnerability/CVE-2025-34023

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-34023/
Summaries are generated and may contain mistakes; the official description above is the record.