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2 vulnerabilities found for GS1900-HPv2 firmware by Zyxel
CVE-2026-107441 (GCVE-0-2026-107441)
Vulnerability from nvd – Published: 2026-11-03 01:41 – Updated: 2026-11-03 01:41
VLAI
EPSS
VEX
Summary
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
8.8 (High)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-24E firmware |
Affected:
<= 2.90(AAHK.2)C0
|
|
| Zyxel | GS1900-8 firmware |
Affected:
<= 2.90(AAHH.2)C0
|
|
| Zyxel | GS1900-8HP firmware |
Affected:
<= 2.90(AAHI.2)C0
|
|
| Zyxel | GS1900-10HP firmware |
Affected:
<= 2.90(AAZI.2)C0
|
|
| Zyxel | GS1900-16 firmware |
Affected:
<= 2.90(AAHJ.2)C0
|
|
| Zyxel | GS1900-24 firmware |
Affected:
<= 2.90(AAHL.2)C0
|
|
| Zyxel | GS1900-24EP firmware |
Affected:
<= 2.90(ABTO.2)C0
|
|
| Zyxel | GS1900-HPv2 firmware |
Affected:
<= 2.90(ABTP.2)C0
|
|
| Zyxel | GS1900-48 firmware |
Affected:
<= 2.90(AAHN.2)C0
|
|
| Zyxel | GS1900-48HPv2 firmware |
Affected:
<= 2.90(ABTQ.2)C0
|
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "GS1900-24E firmware",
"vendor": "Zyxel",
"versions": [
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"version": "\u003c= 2.90(AAHK.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-8 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHH.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-8HP firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHI.2)C0"
}
]
},
{
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"product": "GS1900-10HP firmware",
"vendor": "Zyxel",
"versions": [
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"status": "affected",
"version": "\u003c= 2.90(AAZI.2)C0"
}
]
},
{
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"product": "GS1900-16 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHJ.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-24 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHL.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-24EP firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(ABTO.2)C0"
}
]
},
{
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"product": "GS1900-HPv2 firmware",
"vendor": "Zyxel",
"versions": [
{
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}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-48 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHN.2)C0"
}
]
},
{
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"product": "GS1900-48HPv2 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(ABTQ.2)C0"
}
]
}
],
"descriptions": [
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}
],
"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."
}
],
"metrics": [
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}
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"problemTypes": [
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"description": "CWE-787 Out-of-bounds write",
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"providerMetadata": {
"dateUpdated": "2026-11-03T01:41:52.029Z",
"orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
"shortName": "Zyxel"
},
"references": [
{
"tags": [
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],
"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": {
"discovery": "UNKNOWN"
},
"x_generator": {
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}
}
},
"cveMetadata": {
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"cveId": "CVE-2026-107441",
"datePublished": "2026-11-03T01:41:52.029Z",
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CVE-2026-107441 (GCVE-0-2026-107441)
Vulnerability from cvelistv5 – Published: 2026-11-03 01:41 – Updated: 2026-11-03 01:41
VLAI
EPSS
VEX
Summary
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
8.8 (High)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-24E firmware |
Affected:
<= 2.90(AAHK.2)C0
|
|
| Zyxel | GS1900-8 firmware |
Affected:
<= 2.90(AAHH.2)C0
|
|
| Zyxel | GS1900-8HP firmware |
Affected:
<= 2.90(AAHI.2)C0
|
|
| Zyxel | GS1900-10HP firmware |
Affected:
<= 2.90(AAZI.2)C0
|
|
| Zyxel | GS1900-16 firmware |
Affected:
<= 2.90(AAHJ.2)C0
|
|
| Zyxel | GS1900-24 firmware |
Affected:
<= 2.90(AAHL.2)C0
|
|
| Zyxel | GS1900-24EP firmware |
Affected:
<= 2.90(ABTO.2)C0
|
|
| Zyxel | GS1900-HPv2 firmware |
Affected:
<= 2.90(ABTP.2)C0
|
|
| Zyxel | GS1900-48 firmware |
Affected:
<= 2.90(AAHN.2)C0
|
|
| Zyxel | GS1900-48HPv2 firmware |
Affected:
<= 2.90(ABTQ.2)C0
|
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "GS1900-24E firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHK.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-8 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHH.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-8HP firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHI.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-10HP firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAZI.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-16 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHJ.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-24 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHL.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-24EP firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(ABTO.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-HPv2 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(ABTP.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-48 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(AAHN.2)C0"
}
]
},
{
"defaultStatus": "unaffected",
"product": "GS1900-48HPv2 firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "\u003c= 2.90(ABTQ.2)C0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
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"base64": false,
"type": "text/html",
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}
],
"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."
}
],
"metrics": [
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"baseScore": 8.8,
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}
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}
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}
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