# CVE-2026-13269: Quest NetVault Backup StnzCreateKey Numeric Truncation Error Denial-of-Service Vulnerability

Status: published. Published: 2026-11-12. Updated: 2026-11-12.

Quest NetVault Backup StnzCreateKey Numeric Truncation Error 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 StnzCreateKey function. The issue results from the lack of proper validation of user-supplied data, which can result in a numeric truncation error before allocating a buffer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-28743.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Quest / NetVault Backup: 14.0.2.4 (affected). Source: CNA: zdi

## Severity and prioritization

- CVSS 3.0: 7.5 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: CNA: zdi

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-197

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.zerodayinitiative.com/advisories/ZDI-26-888/ (CNA: zdi; x_research-advisory)

## Provenance

- CNA: zdi: https://www.cve.org/CVERecord?id=CVE-2026-13269; retrieved 2026-11-12; source updated 2026-11-12

Revision: 1e32838744068dc68929d1151e4a79ab6fbb25375acde34bb91b69210ea9d144

Canonical: https://y2.dev/cve/CVE-2026-13269

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