{"id":"CVE-2026-1420","aliases":["EUVD-2026-4691","GHSA-f8m2-v594-mjj5"],"status":"published","title":"Tenda AC23 WifiExtraSet buffer overflow","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0382,"percentile":0.90152,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2026-01-26T05:02:07Z","modified":"2026-06-17T10:15:45Z","products":[{"vendor":"tenda","product":"ac23"},{"vendor":"tenda","product":"ac23_firmware"}],"references":[{"url":"https://vuldb.com/?id.342836","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.342836","tags":["signature","permissions-required","Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?submit.736559","tags":["third-party-advisory","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md","tags":["broken-link","exploit","Exploit","Third Party Advisory"]},{"url":"https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#poc","tags":["exploit","Exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1420"},{"url":"https://www.tenda.com.cn"},{"url":"https://github.com/advisories/GHSA-f8m2-v594-mjj5"}],"sources":{"cve":[{"id":"CVE-2026-1420","title":"Tenda AC23 WifiExtraSet buffer overflow","description":"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. 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Remote exploitation of the attack is possible. The exploit has been published and may be used.","status":"published","published":"2026-01-26T05:02:07Z","modified":"2026-02-23T08:56:57Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"updated_at":"2026-11-02T19:48:34.555054Z"}],"ghsa":[{"id":"GHSA-f8m2-v594-mjj5","title":"A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file ...","description":"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. 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