Security Advisory catalog CVE-2026-7273
cve-program · CVE-2026-7273 Published
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Read the publisher's advisory Affected versions, risk and source history
cve-program · CVE-2026-7273 Published GS1900-48HPv2 firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-48HPv2 firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(ABTQ.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-8 firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-8 firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAHH.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-8HP firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-8HP firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAHI.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-10HP firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-10HP firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAZI.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-16 firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-16 firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAHJ.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-24 firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-24 firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAHL.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-24E firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-24E firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAHK.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-24EP firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-24EP firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(ABTO.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-24HPv2 firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-24HPv2 firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(ABTP.1)C0"
}
],
"defaultStatus": "unaffected"
} GS1900-48 firmware Vendor product
Publisher's version information Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "Zyxel",
"product": "GS1900-48 firmware",
"versions": [
{
"status": "affected",
"version": "<= 2.90(AAHN.1)C0"
}
],
"defaultStatus": "unaffected"
} Original source record · Cite this exact observation · Complete original publisher JSON