CVE-2026-8344
MediumCVSS 6.3Exploitation Probability (EPSS)
High risk89th percentile - higher than 89% of all known CVEs
Summary
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.
Risk Assessment
A remote attacker could execute arbitrary commands on the router, taking control of the device and the internal network. The public availability of the exploit increases the risk of exploitation.
Recommendation
Restrict access to the router's administrative interface and consider a firmware update if the vendor provides a fix. Otherwise, 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-2026-8345Medium
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.
Original NVD description (English source)
A weakness has been identified in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this vulnerability is the function sub_445E7C of the file /goform/formDMZ.cgi. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS