{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66372", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-08-03T21:27:04.641Z", "datePublished": "2026-09-15T20:41:19.724Z", "dateUpdated": "2026-09-15T20:41:19.724Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-09-15T20:41:19.724Z"}, "title": "Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups", "datePublic": "2026-09-15T18:28:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-337", "description": "CWE-337 Predictable seed in Pseudo-Random number generator (PRNG)", "type": "CWE"}]}], "affected": [{"vendor": "Digital Watchdog", "product": "VMAX A1 G4 DVR", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VMAX IP G4 NVR", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VMAX A1 PLUS", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VA1G4 Recorder", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VG4 Recorder", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space."}]}], "references": [{"url": "https://digital-watchdog.com/downloads/"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.6, "vectorString": "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"}}], "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:\u00a0\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"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "VMAX A1 G4 DVR", "vendor": "Digital Watchdog", "versions": [{"status": "affected", "version": "All"}]}, {"defaultStatus": "unaffected", "product": "VMAX IP G4 NVR", "vendor": "Digital Watchdog", "versions": [{"status": "affected", "version": "All"}]}, {"defaultStatus": "unaffected", "product": "VMAX A1 PLUS", "vendor": "Digital Watchdog", "versions": [{"status": "affected", "version": "All"}]}, {"defaultStatus": "unaffected", "product": "VA1G4 Recorder", "vendor": "Digital Watchdog", "versions": [{"status": "affected", "version": "All"}]}, {"defaultStatus": "unaffected", "product": "VG4 Recorder", "vendor": "Digital Watchdog", "versions": [{"status": "affected", "version": "All"}]}], "source": "ics-cert@hq.dhs.gov"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space."}], "id": "CVE-2026-66372", "lastModified": "2026-09-15T21:16:41.743", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}, "published": "2026-09-15T21:16:41.743", "references": [{"source": "ics-cert@hq.dhs.gov", "url": "https://digital-watchdog.com/downloads/"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-337"}], "source": "ics-cert@hq.dhs.gov", "type": "Primary"}]}

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