CVE-2025-32991: In N2WS Backup & Recovery before 4.4.0, a two-step attack against the RESTful API results in remote code execu

Q: How do I fix CVE-2025-32991?

backup\& recovery: upgrade to 4.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2025-32991 being exploited?

CVE-2025-32991 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-32991 affect?

CVE-2025-32991 affects backup\& recovery. Severity is critical (CVSS 9.0). In N2WS Backup & Recovery before 4.4.0, a two-step attack against the RESTful API results in remote code execution.

Q: How urgent is CVE-2025-32991?

Priority 43/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.0REMOTEUPGRADE

CVE-2025-32991 is a critical-severity flaw (CVSS 9.0) affecting backup\& recovery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-362
Published	2026-03-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: n2w

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-25 15:16 UTCPublished CVE record published
2026-06-17 09:12 UTCUpdated Record last modified

n2w backup\& recovery UPGRADE

Affected: < 4.3.2

Fixed in: 4.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy backup-recovery || rpm -q backup-recovery || backup-recovery --version

2. UPGRADE to 4.3.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade backup-recovery

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade backup-recovery

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-32991?

backup\& recovery: upgrade to 4.3.2. Exact commands for each OS are on this page.

Is CVE-2025-32991 being exploited?

CVE-2025-32991 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-32991 affect?

CVE-2025-32991 affects backup\& recovery. Severity is critical (CVSS 9.0). In N2WS Backup & Recovery before 4.4.0, a two-step attack against the RESTful API results in remote code execution.

How urgent is CVE-2025-32991?

Priority 43/100. Critical severity; Remotely exploitable, no login, no user action

References

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