High severity · published May 11, 2026
CVE-2026-8345
D-Link DIR-816 singlePortForward sub_445E7C command injection
8.8
CVSS
3.5%
EPSS
No
On KEV
Description
A security vulnerability has been detected in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this issue is the function sub_445E7C of the file /goform/singlePortForward. Such manipulation of the argument ip_address leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
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-2026-8345
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8345
Exploit
https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.md
Third Party Advisory
https://vuldb.com/submit/811379
Third Party Advisory
https://vuldb.com/vuln/362661
Permissions Required
https://vuldb.com/vuln/362661/cti
Product
https://www.dlink.com/
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