Vulnerability in N2w Backup\& Recovery

CVE-2025-32991

In N2WS Backup & Recovery before 4.4.0, a two-step attack against the RESTful API results in remote code execution.

Vulnerability class: Race Condition

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-32991: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-32991?
CVE-2025-32991 is a critical-severity vulnerability in N2w Backup\& Recovery, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 9.0/10. Published 2026-03-25.
How severe is CVE-2025-32991?
Critical severity. CVSS v3 base score is 9.0 out of 10.