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vuln-cve/data/2026/77xxx/CVE-2026-77946.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-77946",
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"state": "PUBLISHED",
"assignerShortName": "VulDB",
"dateReserved": "2026-08-21T18:42:40.547Z",
"datePublished": "2026-08-22T11:00:09.399Z",
"dateUpdated": "2026-08-26T17:48:48.471Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB",
"dateUpdated": "2026-08-22T11:00:09.399Z"
},
"title": "TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get 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": "TRENDnet",
"product": "TEW-821DAP",
"versions": [
{
"version": "2.2.01b05",
"status": "affected"
}
],
"cpes": [
"cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*"
],
"modules": [
"NTP Timezone Configuration Handler"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function uci_safe_get of the file /cgi-bin/apply_time.cgi of the component NTP Timezone Configuration Handler. Executing a manipulation of the argument system.ntp.server/system.ntp.enable_server/cameo.time.time_zone/cameo.cameo.syslog_server can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized."
}
],
"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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"cvssV3_1": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R",
"baseSeverity": "CRITICAL"
}
},
{
"cvssV3_0": {
"version": "3.0",
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"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R",
"baseSeverity": "CRITICAL"
}
},
{
"cvssV2_0": {
"version": "2.0",
"baseScore": 10,
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"
}
}
],
"timeline": [
{
"time": "2026-08-21T00:00:00.000Z",
"lang": "en",
"value": "Advisory disclosed"
},
{
"time": "2026-08-21T02:00:00.000Z",
"lang": "en",
"value": "VulDB entry created"
},
{
"time": "2026-08-21T20:47:45.000Z",
"lang": "en",
"value": "VulDB entry last update"
}
],
"credits": [
{
"lang": "en",
"value": "ST4R0002 (VulDB User)",
"type": "reporter"
}
],
"references": [
{
"url": "https://vuldb.com/vuln/394175",
"name": "VDB-394175 | TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflow",
"tags": [
"vdb-entry",
"technical-description"
]
},
{
"url": "https://vuldb.com/vuln/394175/cti",
"name": "VDB-394175 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
]
},
{
"url": "https://vuldb.com/cve/CVE-2026-77946",
"name": "CVE-2026-77946 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://vuldb.com/submit/881252",
"name": "Submit #881252 | TRENDnet TEW-821DAP Wireless Access Point v2.2.01b05 Stack-based Buffer Overflow",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-821DAP_ssi_NTP_Timezone_Config_Stack_Overflow.md",
"tags": [
"exploit"
]
}
],
"x_generator": [
"VulDB PVTS v202608"
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-26T17:48:38.933905Z",
"id": "CVE-2026-77946",
"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": "2026-08-26T17:48:48.471Z"
}
}
]
}
}