Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8344D-Link DIR-816 formDMZ.cgi sub_445E7C command injection
Medium 6.3
In plain English
A medium-severity command injection in DIR-816 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.5%top 10.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-362660 | D-Link DIR-816 formDMZ.cgi sub_445E7C command injection vdb-entry, technical-description
- VDB-362660 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #811378 | D-Link DIR 878 DIR-816A2_FWv1.10CNB05_R1B011D88210.img Command Injection third-party-advisory
- https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/1.md exploit
- https://www.dlink.com/ product