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vuln-cve/data/2026/79xxx/CVE-2026-79911.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-79911",
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"state": "PUBLISHED",
"assignerShortName": "VulDB",
"dateReserved": "2026-08-25T14:57:17.413Z",
"datePublished": "2026-08-25T22:15:13.200Z",
"dateUpdated": "2026-08-27T14:34:41.311Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB",
"dateUpdated": "2026-08-25T22:15:13.200Z"
},
"title": "TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow",
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-121",
"lang": "en",
"description": "Stack-based Buffer Overflow"
}
]
},
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-119",
"lang": "en",
"description": "Memory Corruption"
}
]
}
],
"affected": [
{
"vendor": "TOTOLINK",
"product": "N600R",
"versions": [
{
"version": "4.3.0cu.7647_B20210106",
"status": "affected"
}
],
"cpes": [
"cpe:2.3:o:totolink:n600r_firmware:*:*:*:*:*:*:*:*"
],
"modules": [
"CGI Handler"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used."
}
],
"metrics": [
{
"cvssV4_0": {
"version": "4.0",
"baseScore": 10,
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
"baseSeverity": "CRITICAL"
}
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"cvssV2_0": {
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"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"
}
}
],
"timeline": [
{
"time": "2026-08-25T00:00:00.000Z",
"lang": "en",
"value": "Advisory disclosed"
},
{
"time": "2026-08-25T02:00:00.000Z",
"lang": "en",
"value": "VulDB entry created"
},
{
"time": "2026-08-25T17:02:30.000Z",
"lang": "en",
"value": "VulDB entry last update"
}
],
"credits": [
{
"lang": "en",
"value": "ST4R0002 (VulDB User)",
"type": "reporter"
}
],
"references": [
{
"url": "https://vuldb.com/vuln/395061",
"name": "VDB-395061 | TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow",
"tags": [
"vdb-entry",
"technical-description"
]
},
{
"url": "https://vuldb.com/vuln/395061/cti",
"name": "VDB-395061 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
]
},
{
"url": "https://vuldb.com/cve/CVE-2026-79911",
"name": "CVE-2026-79911 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://vuldb.com/submit/881258",
"name": "Submit #881258 | Totolink N600R Wireless N Router V4.3.0cu.7647_B20210106 Stack-based Buffer Overflow",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TOTOLINK_N600R_cstecgi_strcpy_sprintf_Multi_Function_Stack_Overflow.md",
"tags": [
"exploit"
]
},
{
"url": "https://www.totolink.net/",
"tags": [
"product"
]
}
],
"x_generator": [
"VulDB PVTS v202608"
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-27T13:31:59.101267Z",
"id": "CVE-2026-79911",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-27T14:34:41.311Z"
}
}
]
}
}