CVE-2026-3342

🗓️ 03 Mar 2026 13:17:39Reported by WatchGuardType

WatchGuard Fireware OS has an authenticated out-of-bounds write enabling root code execution by a privileged administrator via an exposed management interface.

Reporter	Title	Published	Views	Family All 9
ATTACKERKB	CVE-2026-3342	3 Mar 202613:17	–	attackerkb
Circl	CVE-2026-3342	3 Mar 202613:49	–	circl
CNNVD	WatchGuard Fireware OS 安全漏洞	3 Mar 202600:00	–	cnnvd
Cvelist	CVE-2026-3342 WatchGuard Firebox Out of Bounds Write Vulnerability	3 Mar 202613:17	–	cvelist
EUVD	EUVD-2026-9288	3 Mar 202613:17	–	euvd
NVD	CVE-2026-3342	3 Mar 202614:15	–	nvd
Positive Technologies	PT-2026-22732	3 Mar 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-3342	4 Mar 202613:44	–	redhatcve
Vulnrichment	CVE-2026-3342 WatchGuard Firebox Out of Bounds Write Vulnerability	3 Mar 202613:17	–	vulnrichment

NVD

CNA

Node

watchguard firewareRange12.5–12.5.17

AND

watchguard firebox_t15Match-

watchguard firebox_t35Match-

Node

watchguard firewareRange2025.1–2026.1.2

AND

watchguard firebox_m295Match-

watchguard firebox_m395Match-

watchguard firebox_m495Match-

watchguard firebox_m595Match-

watchguard firebox_m695Match-

watchguard firebox_t115-wMatch-

watchguard firebox_t125Match-

watchguard firebox_t125-wMatch-

watchguard firebox_t145Match-

watchguard firebox_t145-wMatch-

watchguard firebox_t185Match-

Node

watchguard firewareRange11.9–12.11.8

AND

watchguard firebox_m270Match-

watchguard firebox_m290Match-

watchguard firebox_m370Match-

watchguard firebox_m390Match-

watchguard firebox_m440Match-

watchguard firebox_m4600Match-

watchguard firebox_m470Match-

watchguard firebox_m4800Match-

watchguard firebox_m5600Match-

watchguard firebox_m570Match-

watchguard firebox_m5800Match-

watchguard firebox_m590Match-

watchguard firebox_m670Match-

watchguard firebox_m690Match-

watchguard firebox_nv5Match-

watchguard firebox_t20Match-

watchguard firebox_t25Match-

watchguard firebox_t40Match-

watchguard firebox_t45Match-

watchguard firebox_t55Match-

watchguard firebox_t70Match-

watchguard firebox_t80Match-

watchguard firebox_t85Match-

watchguard fireboxcloudMatch-

watchguard fireboxvMatch-

[
  {
    "defaultStatus": "unaffected",
    "product": "Fireware OS",
    "vendor": "WatchGuard",
    "versions": [
      {
        "lessThanOrEqual": "11.12.4+541730",
        "status": "affected",
        "version": "11.9",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "12.11.7",
        "status": "affected",
        "version": "12.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "12.5.16",
        "status": "affected",
        "version": "12.5",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "2026.1.1",
        "status": "affected",
        "version": "2025.1",
        "versionType": "semver"
      }
    ]
  }
]

Source	Link
watchguard	www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003

17 Jun 2026 10:43Current

6.2Medium risk

Vulners AI Score6.2

CVSS 3.17.2

CVSS 48.6

EPSS0.00765

SSVC

CWE-787