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CVE-2026-3343

🗓️ 03 Mar 2026 13:17:48Reported by WatchGuardType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views

Reflected XSS in WatchGuard Firebox Web UI enables script execution in authenticated users.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3343
3 Mar 202613:17
attackerkb
Circl
CVE-2026-3343
3 Mar 202613:49
circl
CNNVD
WatchGuard Fireware OS 安全漏洞
3 Mar 202600:00
cnnvd
Cvelist
CVE-2026-3343 WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI
3 Mar 202613:17
cvelist
EUVD
EUVD-2026-9289
3 Mar 202613:17
euvd
NVD
CVE-2026-3343
3 Mar 202614:15
nvd
Positive Technologies
PT-2026-22733
3 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-3343
4 Mar 202613:44
redhatcve
Vulnrichment
CVE-2026-3343 WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI
3 Mar 202613:17
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Fireware OS",
    "vendor": "WatchGuard",
    "versions": [
      {
        "lessThanOrEqual": "12.11.7",
        "status": "affected",
        "version": "12.7",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "2026.1.1",
        "status": "affected",
        "version": "2025.1",
        "versionType": "semver"
      }
    ]
  }
]

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17 Jun 2026 10:43Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.1
CVSS 45.1
EPSS0.00196
SSVC
22