{"id":"CVE-2026-90693","aliases":["EUVD-2026-77317","GHSA-vg87-cmh7-p8wr"],"status":"published","title":"D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow","description":"A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.","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:X","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00909,"percentile":0.60266,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-121"],"published":"2026-09-14T07:15:10Z","modified":"2026-09-15T17:17:38Z","products":[{"vendor":"d-link","product":"dir-878"}],"references":[{"url":"https://vuldb.com/vuln/403226","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/403226/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-90693","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/915573","tags":["third-party-advisory"]},{"url":"https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md","tags":["related","exploit"]},{"url":"https://www.dlink.com/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90693"},{"url":"https://www.dlink.com"},{"url":"https://github.com/advisories/GHSA-vg87-cmh7-p8wr"}],"sources":{"cve":[{"id":"CVE-2026-90693","title":"D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow","description":"A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.","status":"published","published":"2026-09-14T07:15:10.675Z","modified":"2026-09-15T15:59:35.688Z","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:X","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:X/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:X/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:ND/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-121","CWE-119"],"updated_at":"2026-11-02T13:45:47.885058Z"}],"euvd":[{"id":"EUVD-2026-77317","description":"A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.","status":"published","published":"2026-09-14T07:15:10Z","modified":"2026-09-15T15:59:35Z","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:X","level":"critical"}],"updated_at":"2026-11-02T17:28:17.768191Z"}],"ghsa":[{"id":"GHSA-vg87-cmh7-p8wr","title":"A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the...","description":"A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.","status":"published","published":"2026-09-14T09:31:03Z","modified":"2026-09-14T09:31:10Z","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: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":"critical"},{"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":"2026-11-02T15:11:48.80782Z"}],"nvd":[{"id":"CVE-2026-90693","description":"A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. 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