{"id":"CVE-2026-75976","state":"PUBLISHED","title":"TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow","description":"A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.","publishedAt":"2026-08-18T23:30:11.303Z","updatedAt":"2026-08-25T01:47:43.353Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","source":"VulDB"},"assigner":"VulDB","products":["TRENDnet TEW-823DRU"],"affected":[{"vendor":"TRENDnet","product":"TEW-823DRU","versions":[{"version":"1.1.02b01","status":"affected"}],"cpes":["cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*"],"modules":["NVRAM"]}],"references":["https://vuldb.com/vuln/391892","https://vuldb.com/vuln/391892/cti","https://vuldb.com/cve/CVE-2026-75976","https://vuldb.com/submit/877796","https://github.com/meishigana/CVE/tree/main/team15_20260702/10_823dru-rc-bof","https://github.com/meishigana/CVE/blob/main/team15_20260702/10_823dru-rc-bof/poc/poc-rc-overflow.py"],"weaknesses":["CWE-121","CWE-119"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/75xxx/CVE-2026-75976.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75976","state":"PUBLISHED","datePublished":"2026-08-18T23:30:11.303Z","dateUpdated":"2026-08-25T01:47:43.353Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-18T18:12:17.812Z"},"containers":{"cna":{"title":"TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow","descriptions":[{"lang":"en","value":"A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks."}],"affected":[{"vendor":"TRENDnet","product":"TEW-823DRU","versions":[{"version":"1.1.02b01","status":"affected"}],"cpes":["cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*"],"modules":["NVRAM"]}],"references":[{"url":"https://vuldb.com/vuln/391892","name":"VDB-391892 | TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/391892/cti","name":"VDB-391892 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-75976","name":"CVE-2026-75976 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/877796","name":"Submit #877796 | TRENDnet TEW-823DRU TEW-823DRU Stack-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/meishigana/CVE/tree/main/team15_20260702/10_823dru-rc-bof","tags":["related"]},{"url":"https://github.com/meishigana/CVE/blob/main/team15_20260702/10_823dru-rc-bof/poc/poc-rc-overflow.py","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.4,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":9.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"cvssV3_0":{"version":"3.0","baseScore":9.9,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"CRITICAL"}},{"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-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":"2026-08-18T23:30:11.303Z"},"timeline":[{"time":"2026-08-18T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-18T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-18T20:17:47.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"fuhanhan2015 (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T01:47:33.407883Z","id":"CVE-2026-75976","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":"2026-08-25T01:47:43.353Z"}}]}}}