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.
Analysis and contextual insights are available on OpenCVE Cloud.
No solution or workaround provided in the CVE record.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
No advisories yet.
| Link | Providers |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-26-889/ |
|
Thu, 12 Nov 2026 03:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Quest NetVault Backup nvpmgr Integer Underflow Denial-of-Service Vulnerability | |
| Weaknesses | CWE-191 | |
| References |
| |
| Metrics |
cvssV3_0
|
Subscriptions
No data.
Status: PUBLISHED
Assigner: zdi
Published:
Updated: 2026-11-12T02:49:34.234Z
Reserved: 2026-06-24T21:23:28.760Z
Link: CVE-2026-13270
No data.
Status : Received
Published: 2026-11-12T03:17:11.913
Modified: 2026-11-12T03:17:11.913
Link: CVE-2026-13270
No data.
OpenCVE Enrichment
No data.