CVE-2022-26259 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://blog.ret2.me/post/2022-01-26-exploiting-xiongmai-dvrs/ https://www.xiongmaitech.com/en/index.php/service/notice_info/51/2

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8