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ZDI discloses two unauthenticated Quest NetVault Backup DoS flaws

1 source · 2 articlesFirst reported Updated ()
What's new

First merged summary.

Merged summary · x-ai/grok-4.7 · rewritten as coverage arrivesSummaries by Vani AI

ZDI published two unauthenticated Quest NetVault Backup denial-of-service flaws, both scored 7.5, with no fixes named.

The Zero Day Initiative published two Quest NetVault Backup advisories on November 6, 2026. ZDI-26-889 describes an integer underflow in nvpmgr tracked as CVE-2026-13270. ZDI-26-888 describes a numeric truncation error in StnzCreateKey tracked as CVE-2026-13269. Both allow remote unauthenticated denial of service and are scored CVSS 7.5. Neither notice states affected versions or a patch.

Key facts
  • ZDI-26-889 tracks integer underflow CVE-2026-13270 in nvpmgr.
  • ZDI-26-888 tracks numeric truncation CVE-2026-13269 in StnzCreateKey.
  • Both flaws are scored CVSS 7.5 and need no authentication.
  • Affected and fixed versions are not stated.
Analyze CVE-2026-13270 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Timeline

dated events in the reporting · oldest first
  1. Nov 6, 2026ZDI publishes two Quest NetVault Backup DoS advisories · ZDI Published Advisories

What each outlet adds

beyond the shared facts
  • ZDI Published AdvisoriesNames both components, CVEs, scores, and missing fix details.

Coverage

oldest first · one row per article · UTC
  1. · 5d ago ZDI Published AdvisoriesFirst report

    Quest NetVault Backup nvpmgr flaw allows unauthenticated remote denial of service

    ZDI scores the integer underflow CVE-2026-13270 at 7.5 and does not name a fix.

  2. · 5d ago ZDI Published Advisories

    Quest NetVault Backup StnzCreateKey flaw enables unauthenticated remote DoS

    ZDI-26-888 is a numeric truncation error, CVE-2026-13269, scored CVSS 7.5 with no fix named.

Vulnerabilities in this story

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-13269
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CVE-2026-13270
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