{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-113881", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "state": "PUBLISHED", "assignerShortName": "WatchGuard", "dateReserved": "2026-10-20T20:49:59.110Z", "datePublished": "2026-10-27T15:52:28.229Z", "dateUpdated": "2026-10-27T15:52:28.229Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-10-27T15:52:28.229Z"}, "title": "Fireware OS Stack Buffer Overflow in VPN Network Access Enforcement Allows Unprivileged Code Execution", "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability in Fireware OS's VPN Network Access Enforcement process allows an authenticated mobile VPN user to create a denial of service condition and potentially execute arbitrary code as an unprivileged process by sending a specially crafted request."}], "affected": [{"vendor": "WatchGuard", "product": "Fireware OS", "versions": [{"status": "affected", "version": "2025.1", "versionType": "custom", "lessThan": "2026.4"}, {"status": "affected", "version": "12.9", "versionType": "custom", "lessThan": "12.12.4"}], "defaultStatus": "unaffected", "platforms": ["Default"]}], "references": [{"url": "https://psirt.watchguard.com/CVE-2026-113881", "tags": ["vendor-advisory"]}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "2025.1", "versionEndExcluding": "2026.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "12.9", "versionEndExcluding": "12.12.4"}]}]}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-121", "type": "CWE", "cweId": "CWE-121"}, {"lang": "en", "description": "CWE-129", "type": "CWE", "cweId": "CWE-129"}]}], "credits": [{"lang": "en", "value": "WatchGuard AI Security Research", "type": "finder"}], "configurations": [{"lang": "en", "value": "This vulnerability affects Firebox deployments with Network Access Control enabled for a Mobile VPN.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>This vulnerability affects Firebox deployments with Network Access Control enabled for a Mobile VPN.</p>"}]}], "solutions": [{"lang": "en", "value": "Fireware OS 2026.4, Fireware OS 12.12.4", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Fireware OS 2026.4, Fireware OS 12.12.4"}]}], "exploits": [{"lang": "en", "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>WatchGuard is not aware of any exploitation of this vulnerability in the wild.</p>"}]}]}}}

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{"affected": [{"configurations": [{"platform": ["default"], "status": "affected", "versions": {"scheme": "generic", "value": "[2025.1,2026.4)"}}, {"platform": ["default"], "status": "affected", "versions": {"scheme": "generic", "value": "[12.9,12.12.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Fireware OS", "source": "cna", "vendor": "WatchGuard"}, "product": "fireware_os", "vendor": "watchguard"}], "created": "2026-10-27T18:15:06.188776+00:00", "updated": "2026-10-27T18:30:08.190493+00:00", "vendors": ["watchguard", "watchguard$PRODUCT$fireware_os"]}