RCE in D-Link Dir-823x

CVE-2026-2142

A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420688 of the file /goform/set_qos. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.060 (93.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2142: held from 0.057 to 0.060.

EPSS over last 30 days · oldest: 0.057 · newest: 0.060 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2142?
CVE-2026-2142 is a high-severity vulnerability in D-Link Dir-823x, classified under Command Injection. CVSS score: 7.2/10. Published 2026-02-08.
How severe is CVE-2026-2142?
High severity. CVSS v3 base score is 7.2 out of 10.