High severity · published May 11, 2026
CVE-2026-8344
D-Link DIR-816 formDMZ.cgi sub_445E7C command injection
8.8
CVSS
3.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-816 · D-Link
1.10CNB05_R1B011D88210 · source: vendor
DF
Dir-816 Firmware · Dlink
1.10cnb05_r1b011d88210 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8344
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8344
Exploit
https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/1.md
Third Party Advisory
https://vuldb.com/submit/811378
Third Party Advisory
https://vuldb.com/vuln/362660
Permissions Required
https://vuldb.com/vuln/362660/cti
Product
https://www.dlink.com/
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