{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76590","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-19T14:38:01.742Z","datePublished":"2026-08-19T21:45:07.641Z","dateUpdated":"2026-08-21T16:47:12.380Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-19T21:45:07.641Z"},"title":"TRENDnet TEW-755AP ssi wan.cgi 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-755AP","versions":[{"version":"20260702","status":"affected"}],"cpes":["cpe:2.3:o:trendnet:tew-755ap_firmware:*:*:*:*:*:*:*:*"],"modules":["ssi"]}],"descriptions":[{"lang":"en","value":"A vulnerability was identified in TRENDnet TEW-755AP up to 20260702. Affected by this issue is some unknown functionality of the file /cgi-bin/wan.cgi of the component ssi. Such manipulation of the argument cameo.wan.wan_pppoe_password_00 leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used."}],"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":"2026-08-19T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-19T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-19T16:43:16.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"fuhanhan2015 (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/393087","name":"VDB-393087 | TRENDnet TEW-755AP ssi wan.cgi stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/393087/cti","name":"VDB-393087 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-76590","name":"CVE-2026-76590 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/877850","name":"Submit #877850 | TRENDnet TEW-755AP TEW-755AP Stack-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/meishigana/CVE/tree/main/team15_20260702/15_755ap-ssi-bof","tags":["related"]},{"url":"https://github.com/meishigana/CVE/blob/main/team15_20260702/15_755ap-ssi-bof/poc/poc-ssi-overflow.py","tags":["exploit"]}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-21T16:47:00.385935Z","id":"CVE-2026-76590","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-21T16:47:12.380Z"}}]}}