# CVE-2025-2191: Claro A7600-A1 Ping6 Diagnóstico form2pingv6.cgi cross site scripting

> Remote attackers can execute arbitrary scripts via the Ping6 diagnostic interface, potentially compromising user sessions on Claro A7600-A1 routers.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Mar 2025
- **Updated:** 11 Mar 2025
- **Also known as:** GHSA-jf7w-2fxm-772f

## What is CVE-2025-2191?

CVE-2025-2191 is a medium-severity cross-site scripting vulnerability in Claro A7600-A1, published on 11 Mar 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

A vulnerability, which was classified as problematic, has been found in Claro A7600-A1 RNR4-A72T-2x16_v2110403_CLA_32_160817. Affected by this issue is some unknown functionality of the file /form2pingv6.cgi of the component Ping6 Diagnóstico. The manipulation of the argument ip6addr with the input <img/src/onerror=prompt(8)> leads to cross site scripting. The attack may be launched 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-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2025-2191?


## How do I fix CVE-2025-2191?

No fix has been published for CVE-2025-2191 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-2191 being exploited?

There is no known exploitation of CVE-2025-2191 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-2191 and fix it if it is affected.

What it is: CVE-2025-2191 is a medium-severity cross-site scripting vulnerability in Claro A7600-A1, published on 11 Mar 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-2191 in the wild and no public exploit code.

Affected product: Claro A7600-A1. 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-2025-2191/ (Markdown: https://insights.sbomify.com/CVE-2025-2191/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-2191
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-2191
- OSV: https://osv.dev/vulnerability/CVE-2025-2191

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-2191/
Summaries are generated and may contain mistakes; the official description above is the record.