CVE-2026-8345
MediumCVSS 6.3Exploitation Probability (EPSS)
High risk89th percentile - higher than 89% of all known CVEs
Summary
A security vulnerability was detected in D-Link DIR-816 version 1.10CNB05_R1B011D88210. The function sub_445E7C of the file /goform/singlePortForward is affected; manipulation of the ip_address argument leads to command injection. The attack can be launched remotely, and the exploit has been publicly disclosed and may be used.
Risk Assessment
A remote attacker could execute arbitrary commands on the router, taking control of it and gaining access to the internal network. The public availability of the exploit increases the risk of active exploitation.
Recommendation
Restrict access to the router's administrative interface and consider a firmware update if the vendor provides a fix. If no fix is available, consider replacing the device or isolating it on the network.
Other vulnerabilities in D-Link DIR-816
See all- CVE-2026-8346Medium
A vulnerability was detected in D-Link DIR-816 version 1.10CNB05_R1B011D88210. The function portForward is affected; manipulation of the ip_address argument results in command injection. The attack can be initiated remotely, and the exploit is now public and may be used.
- CVE-2026-8344Medium
A weakness has been identified in D-Link DIR-816 version 1.10CNB05_R1B011D88210. The function sub_445E7C of the file /goform/formDMZ.cgi is affected; this manipulation causes command injection. The attack can be initiated remotely, and the exploit has been made available to the public and could be used for attacks.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS