CVE-2022-26259

7.8 HIGH 2% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 2.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2022-03-28 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:34 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.4% in the next 30 days (EPSS).
Severity: 7.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2022-03-28 01:15 UTC
Last modified: 2026-06-17 04:34 UTC
Exploit probability: 2.4% · EPSS, next 30 days
Weakness: CWE-120 · Classic buffer overflow
Record status: Modified

Affected

Xiongmaitech nbd80x16s-kl Firmware 4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech nbd80x09s-kl Firmware 4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech nbd80x08s-kl Firmware 4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech nbd80x09ra-kl Firmware 4.03.r11.nat.dss.onvifc.20210727
Xiongmaitech ahb80x04r-mh Firmware 4.03.r11.nat.dss.onvifc.20210729
Xiongmaitech ahb80x04r-mh-v2 Firmware 4.03.r11.nat.dss.onvifc.20210729
Xiongmaitech ahb80x04-r-mh-v3 Firmware 4.03.r11.nat.dss.onvifc.20210729
Xiongmaitech ahb80n16t-gs Firmware 4.03.r11.7601.nat.onvifc.20211223

Attack profile CVSS 3.1 · 7.8

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-26259.md and follow it. Check whether this project is affected by CVE-2022-26259. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record