CVE-2026-113881 (GCVE-0-2026-113881)
Vulnerability from cvelistv5
Published
2026-10-27 15:52
Modified
2026-10-27 15:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| WatchGuard | Fireware OS |
Version: 2025.1 < 2026.4 Version: 12.9 < 12.12.4 |
{
"containers": {
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"platforms": [
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],
"product": "Fireware OS",
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"lessThan": "2026.4",
"status": "affected",
"version": "2025.1",
"versionType": "custom"
},
{
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"status": "affected",
"version": "12.9",
"versionType": "custom"
}
]
}
],
"configurations": [
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"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eThis vulnerability affects Firebox deployments with Network Access Control enabled for a Mobile VPN.\u003c/p\u003e"
}
],
"value": "This vulnerability affects Firebox deployments with Network Access Control enabled for a Mobile VPN."
}
],
"cpeApplicability": [
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"nodes": [
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"vulnerable": true
},
{
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"versionEndExcluding": "12.12.4",
"versionStartIncluding": "12.9",
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}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "WatchGuard AI Security Research"
}
],
"descriptions": [
{
"lang": "en",
"value": "A stack-based buffer overflow vulnerability in Fireware OS\u0027s 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."
}
],
"exploits": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eWatchGuard is not aware of any exploitation of this vulnerability in the wild.\u003c/p\u003e"
}
],
"value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"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",
"version": "4.0"
}
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],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121",
"lang": "en",
"type": "CWE"
},
{
"cweId": "CWE-129",
"description": "CWE-129",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-27T15:52:28.229Z",
"orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
"shortName": "WatchGuard"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://psirt.watchguard.com/CVE-2026-113881"
}
],
"solutions": [
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"lang": "en",
"supportingMedia": [
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"base64": false,
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"value": "Fireware OS 2026.4, Fireware OS 12.12.4"
}
],
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}
],
"title": "Fireware OS Stack Buffer Overflow in VPN Network Access Enforcement Allows Unprivileged Code Execution"
}
},
"cveMetadata": {
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"datePublished": "2026-10-27T15:52:28.229Z",
"dateReserved": "2026-10-20T20:49:59.110Z",
"dateUpdated": "2026-10-27T15:52:28.229Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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