RCE in D-Link Dir‑818l

CVE-2025-8956

A vulnerability was found in D-Link DIR‑818L up to 1.05B01. This issue affects the function getenv of the file /htdocs/cgibin of the component ssdpcgi. The manipulation leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.205 (97.4th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% 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-2025-8956: rose from 0.181 to 0.205.

EPSS over last 30 days · oldest: 0.181 · newest: 0.205 · change: +0.023

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-8956?
CVE-2025-8956 is a medium-severity vulnerability in D-Link Dir‑818l, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-08-14.
How severe is CVE-2025-8956?
Medium severity. CVSS v3 base score is 6.3 out of 10.