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CVE-2026-18145

🗓️ 29 Sep 2026 23:05:47Reported by WatchGuardType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Stack-based buffer overflow in Fireware OS spamBlocker allows RCE or DoS.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-18145
30 Sep 202602:32
–circl
cvelist
Cvelist
CVE-2026-18145 Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution
29 Sep 202623:05
–cvelist
euvd
EUVD
EUVD-2026-89500
30 Sep 202600:32
–euvd
nvd
NVD
CVE-2026-18145
30 Sep 202600:16
–nvd
CNA
Node
OR
watchguardfireware_osRange12.0–12.5.21
watchguardfireware_osRange2026.3–2026.3.2
watchguardfireware_osRange2025.0–2026.2.3
watchguardfireware_osRange12.0–12.12.3
[
  {
    "vendor": "WatchGuard",
    "product": "Fireware OS",
    "versions": [
      {
        "status": "affected",
        "version": "2026.3",
        "versionType": "custom",
        "lessThan": "2026.3.2"
      },
      {
        "status": "affected",
        "version": "2025.0",
        "versionType": "custom",
        "lessThan": "2026.2.3"
      },
      {
        "status": "affected",
        "version": "12.0",
        "versionType": "custom",
        "lessThan": "12.12.3"
      }
    ],
    "defaultStatus": "unaffected",
    "platforms": [
      "Default"
    ]
  },
  {
    "vendor": "WatchGuard",
    "product": "Fireware OS",
    "versions": [
      {
        "status": "affected",
        "version": "12.0",
        "versionType": "custom",
        "lessThan": "12.5.21"
      }
    ],
    "defaultStatus": "unaffected",
    "platforms": [
      "T15/T35"
    ]
  }
]

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30 Sep 2026 16:17Current
6.7Medium risk
Vulners AI Score6.7
CVSS 48.6
EPSS0.00342
10