CVE-2025-40889 HIGH

CVE-2025-40889: Path traversal in Time Machine functionality in Guardian/CMC before 25.2.0

Vendor Nozomi Networks
Product Guardian
Weakness CWE-22 · Path traversal
Published October 7, 2025
Last update October 7, 2025

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A path traversal vulnerability was discovered in the Time Machine functionality due to missing validation of two input parameters. An authenticated user with limited privileges, by issuing a specifically-crafted request, can potentially alter the structure and content of files in the /data folder, and/or affect their availability.

Key dates

02Disclosure timeline

October 7, 2025 CVE published
October 7, 2025 Record updated