{"id":"CVE-2022-37134","aliases":["EUVD-2022-39787","GHSA-fxcp-h947-pw6p"],"status":"published","title":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When...","description":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.22289,"percentile":0.977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-1284"],"published":"2022-08-22T14:41:44Z","modified":"2026-06-17T04:54:38Z","products":[{"vendor":"dlink","product":"dir-816_firmware"}],"references":[{"url":"https://www.dlink.com/en/security-bulletin/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37134"},{"url":"https://github.com/advisories/GHSA-fxcp-h947-pw6p"}],"sources":{"cve":[{"id":"CVE-2022-37134","description":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.","status":"published","published":"2022-08-22T14:41:44Z","modified":"2024-08-03T10:21:33.147Z","updated_at":"2026-11-02T14:34:27.327929Z"}],"euvd":[{"id":"EUVD-2022-39787","description":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.","status":"published","published":"2022-08-22T14:41:44Z","modified":"2024-08-03T10:21:33Z","updated_at":"2026-11-03T03:25:23.480504Z"}],"ghsa":[{"id":"GHSA-fxcp-h947-pw6p","title":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When...","description":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.","status":"published","published":"2022-08-23T00:00:18Z","modified":"2023-01-29T05:04:25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:33.218232Z"}],"nvd":[{"id":"CVE-2022-37134","description":"D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.","status":"published","published":"2022-08-22T15:15:16.87Z","modified":"2026-06-17T04:54:38.95Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:07:25.242752Z"}]}}