What is CVE-2022-3210?

CVE-2022-3210 is a high-severity vulnerability in D-Link Dir-2150, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-03-29.

How severe is CVE-2022-3210?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in D-Link Dir-2150

CVE-2022-3210

This vulnerability allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the xupnpd service, which listens on TCP port 4044 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15905.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

supportannouncement.us.dlink.com/announcement/publication.aspx (Patch, Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-22-1222/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3210?: CVE-2022-3210 is a high-severity vulnerability in D-Link Dir-2150, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-03-29.
How severe is CVE-2022-3210?: High severity. CVSS v3 base score is 8.8 out of 10.