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CVE-2026-3987

🗓️ 01 Apr 2026 21:32:30Reported by WatchGuardType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

WatchGuard Firebox path traversal enables remote attacker to write arbitrary files via Web UI and execute code.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3987
1 Apr 202621:32
attackerkb
Circl
CVE-2026-3987
1 Apr 202622:45
circl
CNNVD
WatchGuard Firebox Fireware OS 安全漏洞
1 Apr 202600:00
cnnvd
Cvelist
CVE-2026-3987 WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UI
1 Apr 202621:32
cvelist
EUVD
EUVD-2026-18090
2 Apr 202600:31
euvd
NVD
CVE-2026-3987
1 Apr 202622:16
nvd
Positive Technologies
PT-2026-29637
1 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-3987
2 Apr 202622:54
redhatcve
Vulnrichment
CVE-2026-3987 WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UI
1 Apr 202621:32
vulnrichment
CNA
Node
watchguardfireware_osRange12.6.112.11.8
OR
watchguardfireware_osRange2025.12026.1.2
[
  {
    "defaultStatus": "unaffected",
    "product": "Fireware OS",
    "vendor": "WatchGuard",
    "versions": [
      {
        "lessThanOrEqual": "12.11.8",
        "status": "affected",
        "version": "12.6.1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "2026.1.2",
        "status": "affected",
        "version": "2025.1",
        "versionType": "semver"
      }
    ]
  }
]

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