CVE-2022-26259 — HIGH (7.8)

Vulnerability 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 Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Xiongmaitech	Nbd80X16S-Kl Firmware	4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech	Nbd80X16S-Kl	-
Xiongmaitech	Nbd80X09S-Kl Firmware	4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech	Nbd80X09S-Kl	-
Xiongmaitech	Nbd80X08S-Kl Firmware	4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech	Nbd80X08S-Kl	-
Xiongmaitech	Nbd80X09Ra-Kl Firmware	4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech	Nbd80X09Ra-Kl	-
Xiongmaitech	Ahb80X04R-Mh Firmware	4.03.r11.nat.dss.onvifc.20210729
Xiongmaitech	Ahb80X04R-Mh	-
Xiongmaitech	Ahb80X04R-Mh-V2 Firmware	4.03.r11.nat.dss.onvifc.20210729
Xiongmaitech	Ahb80X04R-Mh-V2	-
Xiongmaitech	Ahb80X04-R-Mh-V3 Firmware	4.03.r11.nat.dss.onvifc.20210729
Xiongmaitech	Ahb80X04-R-Mh-V3	-
Xiongmaitech	Ahb80N16T-Gs Firmware	4.03.r11.7601.nat.onvifc.20211223
Xiongmaitech	Ahb80N16T-Gs	-
Xiongmaitech	Ahb80N32F4-Lme Firmware	4.03.r11.7601.nat.onvifc.20211228
Xiongmaitech	Ahb80N32F4-Lme	-
Xiongmaitech	Nbd90S0Vt-Qw Firmware	4.03.r11.713g.nat.onvifc.2021
Xiongmaitech	Nbd90S0Vt-Qw	-

Related Weaknesses (CWE)

CWE-120

References

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

FAQ

What is CVE-2022-26259?

CVE-2022-26259 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 allo...

How severe is CVE-2022-26259?

CVE-2022-26259 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-26259?

Check the references section above for vendor advisories and patch information. Affected products include: Xiongmaitech Nbd80X16S-Kl Firmware, Xiongmaitech Nbd80X16S-Kl, Xiongmaitech Nbd80X09S-Kl Firmware, Xiongmaitech Nbd80X09S-Kl, Xiongmaitech Nbd80X08S-Kl Firmware.