Vulnerability-Lookup

GHSA-648W-89VF-3PFC

Vulnerability from github – Published: 2026-03-03 15:31 – Updated: 2026-03-04 21:32

Details

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.

Severity ?

4.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

6.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-3344"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-440"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-03T14:15:57Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.",
  "id": "GHSA-648w-89vf-3pfc",
  "modified": "2026-03-04T21:32:42Z",
  "published": "2026-03-03T15:31:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3344"
    },
    {
      "type": "WEB",
      "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005"
    },
    {
      "type": "WEB",
      "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-0005"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-3344 (GCVE-0-2026-3344)

Vulnerability from cvelistv5 – Published: 2026-03-03 13:17 – Updated: 2026-03-04 15:22

Title

WatchGuard Firebox System Integrity Check Bypass

Summary

Severity ?

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-440 - Expected Behavior Violation

Assigner

WatchGuard

References

URL

Tags

https://www.watchguard.com/wgrd-psirt/advisory/wg…

Impacted products

	Vendor	Product	Version
	WatchGuard	Fireware OS	Affected: 12.0 , ≤ 12.11.7 (semver) Affected: 12.5.9 , ≤ 12.5.16 (semver) Affected: 2025.1 , ≤ 2026.1.1 (semver)

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JSON

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      {
        "metrics": [
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                "id": "CVE-2026-3344",
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                  },
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                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-03T14:29:44.659550Z",
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            },
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            },
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              "status": "affected",
              "version": "2025.1",
              "versionType": "semver"
            }
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      ],
      "cpeApplicability": [
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              "cpeMatch": [
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      "exploits": [
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    "datePublished": "2026-03-03T13:17:56.622Z",
    "dateReserved": "2026-02-27T15:37:53.452Z",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-648W-89VF-3PFC

CVE-2026-3344 (GCVE-0-2026-3344)

Tags

Sightings

Nomenclature