{"id":"CVE-2025-4835","aliases":["EUVD-2025-15597","GHSA-h93j-5g7q-3xgg"],"status":"published","title":"TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWlanRedirect buffer overflow","description":"A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0085,"percentile":0.58592,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2025-05-17T19:31:07Z","modified":"2026-06-17T09:34:07Z","products":[{"vendor":"totolink","product":"a3002r"},{"vendor":"totolink","product":"a3002r_firmware"},{"vendor":"totolink","product":"a3002ru"},{"vendor":"totolink","product":"a3002ru_firmware"},{"vendor":"totolink","product":"a702r"},{"vendor":"totolink","product":"a702r_firmware"}],"references":[{"url":"https://vuldb.com/?id.309301","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.309301","tags":["signature","permissions-required","Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?submit.574608","tags":["third-party-advisory","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/CH13hh/tmp_store_cc/blob/main/toto/13.md","tags":["broken-link","exploit","Broken Link"]},{"url":"https://www.totolink.net/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4835"},{"url":"https://www.totolink.net"},{"url":"https://github.com/advisories/GHSA-h93j-5g7q-3xgg"}],"sources":{"cve":[{"id":"CVE-2025-4835","title":"TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formWlanRedirect buffer overflow","description":"A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-05-17T19:31:07.457Z","modified":"2025-05-19T14:42:37.586Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","assessor":"cna"}],"cwes":["CWE-120","CWE-119"],"updated_at":"2026-11-02T14:32:48.512547Z"}],"euvd":[{"id":"EUVD-2025-15597","description":"A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-05-17T19:31:07Z","modified":"2025-05-19T14:42:37Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:32:44.291904Z"}],"ghsa":[{"id":"GHSA-h93j-5g7q-3xgg","title":"A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been...","description":"A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-05-17T21:31:24Z","modified":"2025-05-23T18:32:57Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-120"],"updated_at":"2026-11-02T15:02:26.348006Z"}],"nvd":[{"id":"CVE-2025-4835","description":"A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.","status":"published","published":"2025-05-17T20:15:19.397Z","modified":"2026-06-17T09:34:07.26Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","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-120"],"updated_at":"2026-11-02T14:11:08.321805Z"}]}}