{"id":"CVE-2026-66372","state":"PUBLISHED","title":"Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups","description":"The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.","publishedAt":"2026-09-15T20:41:19.724Z","updatedAt":"2026-09-17T18:46:41.717Z","severity":{"score":7.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"icscert"},"assigner":"icscert","products":["Digital Watchdog VMAX A1 G4 DVR","Digital Watchdog VMAX IP G4 NVR","Digital Watchdog VMAX A1 PLUS","Digital Watchdog VA1G4 Recorder","Digital Watchdog VG4 Recorder"],"affected":[{"vendor":"Digital Watchdog","product":"VMAX A1 G4 DVR","defaultStatus":"unaffected","versions":[{"version":"All","status":"affected"}]},{"vendor":"Digital Watchdog","product":"VMAX IP G4 NVR","defaultStatus":"unaffected","versions":[{"version":"All","status":"affected"}]},{"vendor":"Digital Watchdog","product":"VMAX A1 PLUS","defaultStatus":"unaffected","versions":[{"version":"All","status":"affected"}]},{"vendor":"Digital Watchdog","product":"VA1G4 Recorder","defaultStatus":"unaffected","versions":[{"version":"All","status":"affected"}]},{"vendor":"Digital Watchdog","product":"VG4 Recorder","defaultStatus":"unaffected","versions":[{"version":"All","status":"affected"}]}],"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"],"weaknesses":["CWE-337"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/66xxx/CVE-2026-66372.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-66372","state":"PUBLISHED","datePublished":"2026-09-15T20:41:19.724Z","dateUpdated":"2026-09-17T18:46:41.717Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-08-03T21:27:04.641Z"},"containers":{"cna":{"title":"Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product 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Predictable seed in Pseudo-Random number generator (PRNG)","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-09-15T20:41:19.724Z"},"datePublic":"2026-09-15T18:28:00.000Z","solutions":[{"lang":"en","value":"Digital Watchdog has released updated firmware for the affected products. Users should download and install the updated firmware for their model at: \n https://digital-watchdog.com/downloads/","supportingMedia":[{"type":"text/html","base64":false,"value":"Digital Watchdog has released updated firmware for the affected products. Users should download and install the updated firmware for their model at:&nbsp;<br><a href=\"https://digital-watchdog.com/downloads/\">https://digital-watchdog.com/downloads/</a>"}]}],"credits":[{"lang":"en","value":"Scot Berner of TrustedSec reported this vulnerability to CISA.","type":"finder"}],"source":{"advisory":"ICSA-26-258-01","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-17T18:46:28.675099Z","id":"CVE-2026-66372","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T18:46:41.717Z"}}]}}}