{"id":"CVE-2022-26259","aliases":["EUVD-2022-30822","GHSA-wg24-cp5h-mg67"],"status":"published","title":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA...","description":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02382,"percentile":0.84018,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2022-03-28T00:03:17Z","modified":"2026-06-17T04:34:53Z","products":[{"vendor":"xiongmaitech","product":"ahb80n16t-gs_firmware"},{"vendor":"xiongmaitech","product":"ahb80n32f4-lme_firmware"},{"vendor":"xiongmaitech","product":"ahb80x04-r-mh-v3_firmware"},{"vendor":"xiongmaitech","product":"ahb80x04r-mh-v2_firmware"},{"vendor":"xiongmaitech","product":"ahb80x04r-mh_firmware"},{"vendor":"xiongmaitech","product":"nbd80x08s-kl_firmware"},{"vendor":"xiongmaitech","product":"nbd80x09ra-kl_firmware"},{"vendor":"xiongmaitech","product":"nbd80x09s-kl_firmware"},{"vendor":"xiongmaitech","product":"nbd80x16s-kl_firmware"},{"vendor":"xiongmaitech","product":"nbd90s0vt-qw_firmware"}],"references":[{"url":"https://www.xiongmaitech.com/en/index.php/service/notice_info/51/2","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://blog.ret2.me/post/2022-01-26-exploiting-xiongmai-dvrs/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26259"},{"url":"https://github.com/advisories/GHSA-wg24-cp5h-mg67"}],"sources":{"cve":[{"id":"CVE-2022-26259","description":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.","status":"published","published":"2022-03-28T00:03:17Z","modified":"2024-08-03T04:56:37.935Z","updated_at":"2026-11-02T14:34:25.954329Z"}],"euvd":[{"id":"EUVD-2022-30822","description":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.","status":"published","published":"2022-03-28T00:03:17Z","modified":"2024-08-03T04:56:37Z","updated_at":"2026-11-03T03:25:45.890215Z"}],"ghsa":[{"id":"GHSA-wg24-cp5h-mg67","title":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA...","description":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.","status":"published","published":"2022-03-29T00:01:14Z","modified":"2023-01-27T05:01:04Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:41:48.523978Z"}],"nvd":[{"id":"CVE-2022-26259","description":"A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.","status":"published","published":"2022-03-28T01:15:07.197Z","modified":"2026-06-17T04:34:53.487Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:14.24948Z"}]}}