{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-1420", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-01-25T17:02:07.778Z", "datePublished": "2026-01-26T05:02:07.727Z", "dateUpdated": "2026-02-23T08:56:57.929Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-02-23T08:56:57.929Z" }, "title": "Tenda AC23 WifiExtraSet buffer overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "Tenda", "product": "AC23", "versions": [ { "version": "16.03.07.52", "status": "affected" } ], "cpes": [ "cpe:2.3:o:tenda:ac23_firmware:*:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P", "baseSeverity": "HIGH" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "HIGH" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 8.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "HIGH" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 9, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR" } } ], "timeline": [ { "time": "2026-01-25T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-01-25T01:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-01-29T02:01:26.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "xuanyu (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/?id.342836", "name": "VDB-342836 | Tenda AC23 WifiExtraSet buffer overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/?ctiid.342836", "name": "VDB-342836 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/?submit.736559", "name": "Submit #736559 | Tenda AC23 V16.03.07.52 Buffer Overflow", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md", "tags": [ "broken-link", "exploit" ] }, { "url": "https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#poc", "tags": [ "exploit" ] }, { "url": "https://www.tenda.com.cn/", "tags": [ "product" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-26T17:03:11.601125Z", "id": "CVE-2026-1420", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "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": "2026-01-26T17:04:03.490Z" } } ] } }