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CVE-2026-78009

🗓️ 27 Aug 2026 23:24:32Reported by WatchGuardType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Out-of-bounds read in WatchGuard Fireware OS iked allows unauthenticated remote DoS.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-78009 Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS)
27 Aug 202623:24
cvelist
euvd
EUVD
EUVD-2026-67331
28 Aug 202603:31
euvd
nvd
NVD
CVE-2026-78009
28 Aug 202602:16
nvd
ptsecurity
Positive Technologies
PT-2026-82839
27 Aug 202600:00
ptsecurity
CNA
Node
OR
watchguardfireware_osRange12.012.5.20
watchguardfireware_osRange2025.02026.2.2
watchguardfireware_osRange12.012.12.2
[
  {
    "vendor": "WatchGuard",
    "product": "Fireware OS",
    "versions": [
      {
        "status": "affected",
        "version": "2025.0",
        "versionType": "custom",
        "lessThan": "2026.2.2"
      },
      {
        "status": "affected",
        "version": "12.0",
        "versionType": "custom",
        "lessThan": "12.12.2"
      }
    ],
    "defaultStatus": "unaffected",
    "platforms": [
      "Default"
    ]
  },
  {
    "vendor": "WatchGuard",
    "product": "Fireware OS",
    "versions": [
      {
        "status": "affected",
        "version": "12.0",
        "versionType": "custom",
        "lessThan": "12.5.20"
      }
    ],
    "defaultStatus": "unaffected",
    "platforms": [
      "T15/T35"
    ]
  }
]

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28 Aug 2026 02:16Current
5.4Medium risk
Vulners AI Score5.4
CVSS 48.7
7