HIGH

CVE-2022-26259

CVSS v3

7.8

HIGH

EPSS Score

2.4 %

exploit probability, as of 2026-10-20

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2022-26259 yet.

Full record on NVD

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.

Technical details

Published: 2022-03-28

Frequently asked questions

What is CVE-2022-26259?

Is CVE-2022-26259 actively exploited?

Active exploitation of CVE-2022-26259 has not been confirmed. Its EPSS score was 2.4% on 2026-10-20, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-26259?

CVE-2022-26259 has a CVSS v3 base score of 7.8 (HIGH severity).

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