RCE in D-Link Dir-816
CVE-2026-8344
A weakness has been identified in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this vulnerability is the function sub_445E7C of the file /goform/formDMZ.cgi. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
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: 0.050 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.050 · change: +0.018
Affected products
- D-Link Dir-816 — versions 1.10CNB05_R1B011D88210
- Dlink Dir-816 — versions a2
- Dlink Dir-816 Firmware — versions 1.10cnb05_r1b011d88210
Weakness classification (CWE)
References
- vuldb.com/vuln/362660 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362660/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/811378 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/1.md (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-8344?
- CVE-2026-8344 is a medium-severity vulnerability in D-Link Dir-816, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-11.
- How severe is CVE-2026-8344?
- Medium severity. CVSS v3 base score is 6.3 out of 10.