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

What is CVE-2025-40889?

CVE-2025-40889 is a high-severity path traversal vulnerability in Nozomi Networks CMC, published on 7 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-22

Which versions are affected by CVE-2025-40889?

It affects 2 products.

Products include Nozominetworks Cmc, Nozominetworks Guardian.

How do I fix CVE-2025-40889?

No fix has been published for CVE-2025-40889 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-40889 being exploited?

There is no known exploitation of CVE-2025-40889 in the wild and no public exploit code.

Other vulnerabilities in Nozomi Networks CMC

• CVE-2023-29245 SQL Injection on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0 Critical 9.2
• CVE-2026-31984 DoS through oversized audit log entries in Guardian/CMC before 26.2.0 High 8.7
• CVE-2023-2567 Authenticated SQL Injection on Query functionality in Guardian/CMC before 22.6.3 and 23.1.0 High 8.7
• CVE-2023-22378 Authenticated Blind SQL Injection on sorting in Guardian/CMC before 22.6.2 High 8.7
• CVE-2023-23574 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2 High 8.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7fwq-7294-hc9q.