{"id":"CVE-2026-90689","state":"PUBLISHED","title":"Tenda W20E formDelWebAuthWhiteUser stack-based overflow","description":"A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.","publishedAt":"2026-09-14T06:15:08.707Z","updatedAt":"2026-09-14T10:55:57.386Z","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:X","source":"VulDB"},"assigner":"VulDB","products":["Tenda W20E"],"affected":[{"vendor":"Tenda","product":"W20E","versions":[{"version":"15.11.0.61068_1546_841_CN_TDC","status":"affected"}],"cpes":["cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*"]}],"references":["https://vuldb.com/vuln/403222","https://vuldb.com/vuln/403222/cti","https://vuldb.com/cve/CVE-2026-90689","https://vuldb.com/submit/914981","https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formDelWebAuthWhiteUser/README.md","https://www.tenda.com.cn/"],"weaknesses":["CWE-121","CWE-119"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90689.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90689","state":"PUBLISHED","datePublished":"2026-09-14T06:15:08.707Z","dateUpdated":"2026-09-14T10:55:57.386Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-13T05:01:50.679Z"},"containers":{"cna":{"title":"Tenda W20E formDelWebAuthWhiteUser stack-based overflow","descriptions":[{"lang":"en","value":"A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely."}],"affected":[{"vendor":"Tenda","product":"W20E","versions":[{"version":"15.11.0.61068_1546_841_CN_TDC","status":"affected"}],"cpes":["cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://vuldb.com/vuln/403222","name":"VDB-403222 | Tenda W20E formDelWebAuthWhiteUser stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/403222/cti","name":"VDB-403222 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-90689","name":"CVE-2026-90689 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/914981","name":"Submit #914981 | Tenda Router US_W20EV4.0br_V15.11.0.61068_1546_841_CN_TDC Memory Corruption","tags":["third-party-advisory"]},{"url":"https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formDelWebAuthWhiteUser/README.md","tags":["related"]},{"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:X","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:X/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:X/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:ND/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","type":"CWE","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-14T06:15:08.707Z"},"timeline":[{"time":"2026-09-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-13T07:06:59.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"AmaIIl (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-14T10:54:39.870335Z","id":"CVE-2026-90689","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T10:55:57.386Z"}}]}}}