{"id":"CVE-2026-2202","state":"PUBLISHED","title":"Tenda AC8 httpd WifiGuestSet fromSetWifiGusetBasic buffer overflow","description":"A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.","publishedAt":"2026-02-09T01:32:09.560Z","updatedAt":"2026-02-23T09:53:28.713Z","severity":{"score":8.7,"label":"High","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["Tenda AC8"],"affected":[{"vendor":"Tenda","product":"AC8","versions":[{"version":"16.03.33.05","status":"affected"}],"cpes":["cpe:2.3:o:tenda:ac8_firmware:*:*:*:*:*:*:*:*"],"modules":["httpd"]}],"references":["https://vuldb.com/?id.344905","https://vuldb.com/?ctiid.344905","https://vuldb.com/?submit.750225","https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md","https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#poc","https://www.tenda.com.cn/"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2202.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2202","state":"PUBLISHED","datePublished":"2026-02-09T01:32:09.560Z","dateUpdated":"2026-02-23T09:53:28.713Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-02-07T17:49:16.946Z"},"containers":{"cna":{"title":"Tenda AC8 httpd WifiGuestSet fromSetWifiGusetBasic buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used."}],"affected":[{"vendor":"Tenda","product":"AC8","versions":[{"version":"16.03.33.05","status":"affected"}],"cpes":["cpe:2.3:o:tenda:ac8_firmware:*:*:*:*:*:*:*:*"],"modules":["httpd"]}],"references":[{"url":"https://vuldb.com/?id.344905","name":"VDB-344905 | Tenda AC8 httpd WifiGuestSet fromSetWifiGusetBasic buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.344905","name":"VDB-344905 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.750225","name":"Submit #750225 | Tenda AC8 V16.03.33.05 Denial of Service","tags":["third-party-advisory"]},{"url":"https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md","tags":["related"]},{"url":"https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md#poc","tags":["exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","type":"CWE","lang":"en","description":"Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-02-23T09:53:28.713Z"},"timeline":[{"time":"2026-02-07T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-02-07T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-02-10T16:54:20.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"sunnyyaya (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-09T16:37:14.642717Z","id":"CVE-2026-2202","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-09T16:37:23.359Z"}}]}}}