{"id":"CVE-2026-76589","aliases":["EUVD-2026-63101","GHSA-qjr2-7w3m-c4fr"],"status":"published","title":"TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow","description":"A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.","severity":{"version":"4.0","score":9.4,"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00854,"percentile":0.5857,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-121"],"published":"2026-08-19T21:30:09Z","modified":"2026-08-25T15:16:42Z","products":[{"vendor":"trendnet","product":"tew-755ap"}],"references":[{"url":"https://vuldb.com/vuln/393085","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/393085/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-76589","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/877845","tags":["third-party-advisory"]},{"url":"https://github.com/meishigana/CVE/tree/main/team15_20260702/13_755ap-mycli-bof","tags":["related"]},{"url":"https://github.com/meishigana/CVE/blob/main/team15_20260702/13_755ap-mycli-bof/poc/poc-mycli-overflow.py","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76589"},{"url":"https://github.com/advisories/GHSA-qjr2-7w3m-c4fr"}],"sources":{"cve":[{"id":"CVE-2026-76589","title":"TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow","description":"A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-08-19T21:30:09.382Z","modified":"2026-08-25T14:18:31.333Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical","assessor":"cna"},{"version":"3.1","score":9.9,"vector":"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","level":"critical","assessor":"cna"},{"version":"3.0","score":9.9,"vector":"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","level":"critical","assessor":"cna"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-121","CWE-119"],"updated_at":"2026-11-02T13:46:32.755125Z"}],"euvd":[{"id":"EUVD-2026-63101","description":"A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-08-19T21:30:09Z","modified":"2026-08-25T14:18:31Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical"}],"updated_at":"2026-11-02T18:01:33.385611Z"}],"ghsa":[{"id":"GHSA-qjr2-7w3m-c4fr","title":"A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function...","description":"A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-08-20T00:35:08Z","modified":"2026-08-20T00:35:17Z","cvss":[{"version":"4.0","score":8.6,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:10:45.95343Z"}],"nvd":[{"id":"CVE-2026-76589","description":"A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.","status":"published","published":"2026-08-19T22:17:27.447Z","modified":"2026-08-25T15:16:42.233Z","cvss":[{"version":"4.0","score":8.6,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-119","CWE-121"],"updated_at":"2026-11-02T14:12:39.962615Z"}]}}