Vulnerability · Published May 11, 2026 · Assigned by VulDB
CVE-2026-8345D-Link DIR-816 singlePortForward sub_445E7C command injection
Medium 6.3
In plain English
A medium-severity command injection in DIR-816 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)3.5%top 10.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-362661 | D-Link DIR-816 singlePortForward sub_445E7C command injection vdb-entry, technical-description
- VDB-362661 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #811379 | D-Link DIR816 DIR-816A2_FWv1.10CNB05_R1B011D88210.img Command Injection third-party-advisory
- https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.md exploit
- https://www.dlink.com/ product