RCE in D-Link Dir-816

CVE-2025-5620

A vulnerability, which was classified as critical, was found in D-Link DIR-816 1.10CNB05. Affected is the function setipsec_config of the file /goform/setipsec_config. The manipulation of the argument localIP/remoteIP leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.077 (94.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.4% 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-2025-5620: held from 0.078 to 0.077.

EPSS over last 30 days · oldest: 0.078 · newest: 0.077 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-5620?
CVE-2025-5620 is a high-severity vulnerability in D-Link Dir-816, classified under Command Injection. CVSS score: 7.3/10. Published 2025-06-05.
How severe is CVE-2025-5620?
High severity. CVSS v3 base score is 7.3 out of 10.