{"id":"CVE-2026-76590","state":"PUBLISHED","title":"TRENDnet TEW-755AP ssi wan.cgi stack-based overflow","description":"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.","publishedAt":"2026-08-19T21:45:07.641Z","updatedAt":"2026-08-21T16:47:12.380Z","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-755AP"],"affected":[{"vendor":"TRENDnet","product":"TEW-755AP","versions":[{"version":"20260702","status":"affected"}],"cpes":["cpe:2.3:o:trendnet:tew-755ap_firmware:*:*:*:*:*:*:*:*"],"modules":["ssi"]}],"references":["https://vuldb.com/vuln/393087","https://vuldb.com/vuln/393087/cti","https://vuldb.com/cve/CVE-2026-76590","https://vuldb.com/submit/877850","https://github.com/meishigana/CVE/tree/main/team15_20260702/15_755ap-ssi-bof","https://github.com/meishigana/CVE/blob/main/team15_20260702/15_755ap-ssi-bof/poc/poc-ssi-overflow.py"],"weaknesses":["CWE-121","CWE-119"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76590.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76590","state":"PUBLISHED","datePublished":"2026-08-19T21:45:07.641Z","dateUpdated":"2026-08-21T16:47:12.380Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-19T14:38:01.742Z"},"containers":{"cna":{"title":"TRENDnet TEW-755AP ssi wan.cgi stack-based overflow","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."}],"affected":[{"vendor":"TRENDnet","product":"TEW-755AP","versions":[{"version":"20260702","status":"affected"}],"cpes":["cpe:2.3:o:trendnet:tew-755ap_firmware:*:*:*:*:*:*:*:*"],"modules":["ssi"]}],"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"]}],"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":"2026-08-19T21:45:07.641Z"},"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"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-21T16:47:12.380Z"}}]}}}