{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75976","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-18T18:12:17.812Z","datePublished":"2026-08-18T23:30:11.303Z","dateUpdated":"2026-08-18T23:30:11.303Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-18T23:30:11.303Z"},"title":"TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-121","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"TRENDnet","product":"TEW-823DRU","versions":[{"version":"1.1.02b01","status":"affected"}],"cpes":["cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*"],"modules":["NVRAM"]}],"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."}],"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"}}],"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"}],"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"]}],"x_generator":["VulDB PVTS v202608"]}}}