PT-2026-39868 · D Link · Dir-816

Stksgg · Published 2026-05-11 · Updated 2026-05-12 · CVE-2026-8345

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DIR-816 version 1.10CNB05 R1B011D88210

Description A command injection issue exists that allows a remote attacker to execute arbitrary commands. The flaw is located in the sub 445E7C() function within the '/goform/singlePortForward' endpoint, triggered by manipulating the ip address argument.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the '/goform/singlePortForward' endpoint or avoid using the ip address parameter until a patch is available.

Exploit

Special Elements Injection

Command Injection

Weakness Enumeration

CWE-74

CWE-77

Related Identifiers

CVE-2026-8345

Affected Products

Dir-816

References · 7

• 🔥 https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8345 · Security Note
• https://vuldb.com/vuln/362661/cti · Note
• https://vuldb.com/submit/811379 · Note
• https://vuldb.com/vuln/362661 · Note
• https://dlink.com · Note
• https://t.me/CVEtracker/53437 · Telegram Post