{"id":"CVE-2026-91003","aliases":["EUVD-2026-78278","GHSA-p599-cqm7-c2xh"],"status":"published","title":"D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow","description":"A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.","severity":{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00983,"percentile":0.62596,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-121"],"published":"2026-09-15T05:45:16Z","modified":"2026-09-15T15:17:31Z","products":[{"vendor":"d-link","product":"di-8300"}],"references":[{"url":"https://vuldb.com/vuln/403586","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/403586/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-91003","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/932002","tags":["third-party-advisory"]},{"url":"https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.md","tags":["related","exploit"]},{"url":"https://github.com/Vivi-Xray/Xray-s-cve-/blob/main/rzgl/rzgl_asp.py","tags":["exploit"]},{"url":"https://www.dlink.com/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91003"},{"url":"https://www.dlink.com"},{"url":"https://github.com/advisories/GHSA-p599-cqm7-c2xh"}],"sources":{"cve":[{"id":"CVE-2026-91003","title":"D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow","description":"A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.","status":"published","published":"2026-09-15T05:45:16.561Z","modified":"2026-09-15T14:05:24.781Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","level":"critical","assessor":"cna"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"critical","assessor":"cna"},{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"critical","assessor":"cna"},{"version":"2.0","score":8.3,"vector":"AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-121","CWE-119"],"updated_at":"2026-11-02T14:19:53.115938Z"}],"euvd":[{"id":"EUVD-2026-78278","description":"A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.","status":"published","published":"2026-09-15T05:45:16Z","modified":"2026-09-15T14:05:24Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","level":"critical"}],"updated_at":"2026-11-02T17:28:18.105573Z"}],"ghsa":[{"id":"GHSA-p599-cqm7-c2xh","title":"A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of...","description":"A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.","status":"published","published":"2026-09-15T06:30:31Z","modified":"2026-09-15T06:30:40Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:11:53.5286Z"}],"nvd":[{"id":"CVE-2026-91003","description":"A flaw has been found in D-Link DI-8300 16.07. The affected element is the function rzgl_asp of the file /rzgl.asp of the component CGI Service. This manipulation of the argument redirct_url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.","status":"published","published":"2026-09-15T06:17:01.387Z","modified":"2026-09-15T15:17:31.133Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":8.3,"vector":"AV:N/AC:L/Au:M/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-119","CWE-121"],"updated_at":"2026-11-02T14:12:47.335523Z"}]}}