CVE-2026-8344 Details
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.
A command injection vulnerability has been identified in the D-Link DIR-816 router, specifically in the firmware version 1.10CNB05_R1B011D88210. The issue arises in the 'formDMZ.cgi' file, where the 'DMZIPAddress' parameter is not properly validated before being saved to the device's NVRAM. This flaw allows for remote exploitation, as the injected command is executed through a system command execution function.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/1.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/811378 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362660 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362660/cti | [email protected] | Permissions RequiredVDB Entry |
| https://www.dlink.com/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| dlink dir-816 firmware | 1.10cnb05_r1b011d88210 |
CPE
Remediation
| |
| dlink dir-816 | a2 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 12, 2026 | Initial Analysis | [email protected] |
| May 11, 2026 | New CVE Received | [email protected] |