CVE-2026-8344: D-Link DIR-816 formDMZ.cgi sub_445E7C command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-11 · updated 2026-10-26
Weakness: CWE-74

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

D-Link DIR-816: 1.10cnb05_r1b011d88210

References

https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/1.md
https://vuldb.com/submit/811378
https://vuldb.com/vuln/362660
https://vuldb.com/vuln/362660/cti
https://www.dlink.com/

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