High severity7.8NVD Advisory· Published Mar 28, 2022· Updated Jun 17, 2026
CVE-2022-26259
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14- cpe:2.3:o:xiongmaitech:ahb80n16t-gs_firmware:4.03.r11.7601.nat.onvifc.20211223:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:ahb80n32f4-lme_firmware:4.03.r11.7601.nat.onvifc.20211228:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:ahb80x04-r-mh-v3_firmware:4.03.r11.nat.dss.onvifc.20210729:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:ahb80x04r-mh-v2_firmware:4.03.r11.nat.dss.onvifc.20210729:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:ahb80x04r-mh_firmware:4.03.r11.nat.dss.onvifc.20210729:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:nbd80x08s-kl_firmware:4.03.r11.nat.dss.onvifc.20210727:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:nbd80x09ra-kl_firmware:4.03.r11.nat.dss.onvifc.20210727:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:nbd80x09s-kl_firmware:4.03.r11.nat.dss.onvifc.20210727:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:nbd80x16s-kl_firmware:4.03.r11.nat.dss.onvifc.20210727:*:*:*:*:*:*:*
- cpe:2.3:o:xiongmaitech:nbd90s0vt-qw_firmware:4.03.r11.713g.nat.onvifc.2021:*:*:*:*:*:*:*
- Xiongmai/DVR devicesdescription
Patches
Vulnerability mechanics
References
2- blog.ret2.me/post/2022-01-26-exploiting-xiongmai-dvrs/nvdExploitThird Party Advisory
- www.xiongmaitech.com/en/index.php/service/notice_info/51/2nvdVendor Advisory
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