CVE-2026-107441
Full vulnerability record from the local CVENow database.
Description
An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Received
Source identifier
Published
2026-11-03 02:16:52.617000
Last modified
2026-11-03 02:16:52.617000
View original CVE JSON
{
"id": "CVE-2026-107441",
"sourceIdentifier": "[email protected]",
"published": "2026-11-03T02:16:52.617",
"lastModified": "2026-11-03T02:16:52.617",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Zyxel",
"product": "GS1900-24E firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAHK.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-8 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAHH.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-8HP firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAHI.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-10HP firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAZI.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-16 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAHJ.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-24 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAHL.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-24EP firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(ABTO.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-HPv2 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(ABTP.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-48 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(AAHN.2)C0",
"status": "affected"
}
]
},
{
"vendor": "Zyxel",
"product": "GS1900-48HPv2 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "<= 2.90(ABTQ.2)C0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"references": [
{
"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-gs1900-series-switches-11-03-2026",
"source": "[email protected]"
}
]
}