CVE-2026-8344

D-Link DIR-816 formDMZ.cgi sub_445E7C command injection

State: Published
Severity: 5.3 Medium
Published: May 11, 2026
Updated: May 17, 2026
Reserved: May 11, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	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	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-77 Command Injection
CWE-74 Injection

Affected Products

Product	Versions
DIR-816D-Link	1.10CNB05_R1B011D88210Affected

References

VDB-362660 | D-Link DIR-816 formDMZ.cgi sub_445E7C command injectionvdb-entrytechnical-description
VDB-362660 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #811378 | D-Link DIR 878 DIR-816A2_FWv1.10CNB05_R1B011D88210.img Command Injectionthird-party-advisory
https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/1.mdexploit
https://www.dlink.com/product

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.