{"id":"CVE-2026-2203","state":"PUBLISHED","title":"Tenda AC8 Embedded Httpd Service fast_setting_wifi_set buffer overflow","description":"A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.","publishedAt":"2026-02-09T02:02:10.131Z","updatedAt":"2026-02-23T09:53:42.927Z","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":["Embedded Httpd Service"]}],"references":["https://vuldb.com/?id.344906","https://vuldb.com/?ctiid.344906","https://vuldb.com/?submit.750226","https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md","https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.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-2026-2203.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2203","state":"PUBLISHED","datePublished":"2026-02-09T02:02:10.131Z","dateUpdated":"2026-02-23T09:53:42.927Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-02-07T17:49:22.158Z"},"containers":{"cna":{"title":"Tenda AC8 Embedded Httpd Service fast_setting_wifi_set buffer overflow","descriptions":[{"lang":"en","value":"A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published 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":["Embedded Httpd Service"]}],"references":[{"url":"https://vuldb.com/?id.344906","name":"VDB-344906 | Tenda AC8 Embedded Httpd Service fast_setting_wifi_set buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.344906","name":"VDB-344906 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.750226","name":"Submit #750226 | 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/fastsettingwifiset-timezome.md","tags":["related"]},{"url":"https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.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":"2026-02-23T09:53:42.927Z"},"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":"2026-02-09T16:37:47.976384Z","id":"CVE-2026-2203","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-09T16:37:58.441Z"}}]}}}