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CVE-2026-8345

D-Link DIR-816 singlePortForward sub_445E7C command injection

CVSS 5.3 MEDIUMEPSS 3.2%CWE-74CWE-77
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 3.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
11 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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: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
Affected products
D-Link · DIR-816
public PoCs found — 1
cve_referencegithub.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.mdhttps://vuldb.com/submit/811379https://vuldb.com/vuln/362661https://vuldb.com/vuln/362661/ctihttps://www.dlink.com/