What is CVE-2020-6842?

CVE-2020-6842 is a high-severity vulnerability in Dlink Dch-M225, classified under OS Command Injection. CVSS score: 7.2/10. Published 2020-02-21.

How severe is CVE-2020-6842?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Dlink Dch-M225

CVE-2020-6842

D-Link DCH-M225 1.05b01 and earlier devices allow remote authenticated admins to execute arbitrary OS commands via shell metacharacters in the media renderer name.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-02-21 · last modified 2026-06-17.

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: 0.023 (82.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

supportannouncement.us.dlink.com/announcement/publication.aspx (Vendor Advisory)
gist.github.com/jezzaaa/9d704400a7e23f988dfb4f73658678b8 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-6842?: CVE-2020-6842 is a high-severity vulnerability in Dlink Dch-M225, classified under OS Command Injection. CVSS score: 7.2/10. Published 2020-02-21.
How severe is CVE-2020-6842?: High severity. CVSS v3 base score is 7.2 out of 10.