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Medium 6.8Published Sep 15, 2026
CVE-2026-66372Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups
Updated under an hour ago ()
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It affects Digital Watchdog VMAX A1 G4 DVR and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.
- CVSS
- 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-337
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- icscert
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Digital Watchdog VMAX A1 G4 DVR digital_watchdog:vmax_a1_g4_dvr (from the name) | all versions | CNA record |
Digital Watchdog VMAX IP G4 NVR digital_watchdog:vmax_ip_g4_nvr (from the name) | all versions | CNA record |
Digital Watchdog VMAX A1 PLUS digital_watchdog:vmax_a1_plus (from the name) | all versions | CNA record |
Digital Watchdog VA1G4 Recorder digital_watchdog:va1g4_recorder (from the name) | all versions | CNA record |
Digital Watchdog VG4 Recorder digital_watchdog:vg4_recorder (from the name) | all versions | CNA record |
References
- https://digital-watchdog.com/downloads/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.