Is there a public exploit for CVE-2026-13270?

No public exploit for CVE-2026-13270 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-13270?

CVE-2026-13270 scores CVSS 7.5 (v3.0), rated high.

What does CVE-2026-13270 affect?

CVE-2026-13270 affects Quest NetVault Backup.

7.5 High

Quest NetVault Backup nvpmgr Integer Underflow Denial-of-Service Vulnerability.

CVE-2026-13270

Quest NetVault Backup nvpmgr Integer Underflow Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Quest NetVault Backup. Authentication is not required to exploit this vulnerability. The specific flaw exists within the nvpmgr service, which listens on UDP port 20031 by default. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-28744.

Assessment

CVSS: 7.5 (v3.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 November 2026
Last updated: 12 November 2026
Affected: Quest · NetVault Backup
Assigner: zdi

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

At the source

EUVD (ENISA)

References

https://www.zerodayinitiative.com/advisories/ZDI-26-889/

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