Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups (CVE-2026-66372) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-66372

Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups

Answer in brief

CVE-2026-66372 records a Unknown severity vulnerability in Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups. The current sources do not mark it as known exploited. The current feed maps Digital Watchdog/VA1G4 Recorder (generic), Digital Watchdog/VG4 Recorder (generic), Digital Watchdog/VMAX A1 G4 DVR (generic), Digital Watchdog/VMAX A1 PLUS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 15, 2026Updated Sep 15, 2026Source checked Sep 15, 2026First seen by HOL Sep 15, 2026Material review Sep 15, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 5 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Digital Watchdog/VA1G4 Recorder (generic), Digital Watchdog/VG4 Recorder (generic), Digital Watchdog/VMAX A1 G4 DVR (generic), Digital Watchdog/VMAX A1 PLUS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Digital Watchdog/VA1G4 Recordergeneric	All	Not reported
Digital Watchdog/VG4 Recordergeneric	All	Not reported
Digital Watchdog/VMAX A1 G4 DVRgeneric	All	Not reported
Digital Watchdog/VMAX A1 PLUSgeneric	All	Not reported
Digital Watchdog/VMAX IP G4 NVRgeneric	All	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Digital Watchdog/VA1G4 Recorder, Digital Watchdog/VG4 Recorder, Digital Watchdog/VMAX A1 G4 DVR.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 15, 2026

Sources and claim methodology

Upstream source description

The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.

Quoted source text, attributed separately from HOL analysis.