CVE-2026-8247

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"NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "affectedData": [{"vendor": "WatchGuard", "product": "Fireware OS", "versions": [{"status": "affected", "version": "2025.1", "lessThan": "2026.2.1", "versionType": "custom"}, {"status": "affected", "version": "12.0", "lessThan": "12.12.1", "versionType": "custom"}, {"status": "affected", "version": "11.0", "lessThan": "*", "versionType": "custom"}], "platforms": ["Default"], "defaultStatus": "unaffected"}, {"vendor": "WatchGuard", "product": "Fireware OS", "versions": [{"status": "affected", "version": "12.0", "lessThan": "12.11.9", "versionType": "custom"}], "platforms": ["EUCC"], "defaultStatus": "unaffected"}, {"vendor": "WatchGuard", "product": "Fireware OS", "versions": [{"status": "affected", "version": "12.0", "lessThan": "12.5.19", "versionType": "custom"}], "platforms": ["T15/T35"], "defaultStatus": "unaffected"}]}], "published": "2026-07-03T00:16:52.773", "references": [{"url": "https://psirt.watchguard.com/CVE-2026-8247", "tags": ["Broken Link"], "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3"}, {"url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00026", "tags": ["Vendor Advisory"], "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "description": [{"lang": "en", "value": "CWE-120"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An Out-of-bounds Write vulnerability in 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