CVE-2026-8345: Command Injection in D-Link DIR-816
CVE-2026-8345 is a command injection vulnerability in the D-Link DIR-816 router firmware version 1. 10CNB05_R1B011D88210. The flaw exists in the /goform/singlePortForward endpoint, specifically in the function sub_445E7C, where improper handling of the ip_address argument allows remote attackers to execute arbitrary commands. The vulnerability has a medium severity rating with a CVSS 4. 0 base score of 5. 3. Although the exploit has been publicly disclosed, there are no known exploits observed in the wild. No official patch or remediation guidance has been provided by the vendor at this time.
AI Analysis
Technical Summary
This vulnerability involves a command injection issue in the D-Link DIR-816 router firmware version 1.10CNB05_R1B011D88210. The injection point is the ip_address parameter processed by the sub_445E7C function in the /goform/singlePortForward file. Remote attackers can manipulate this parameter to execute arbitrary commands on the device. The vulnerability is remotely exploitable without user interaction and requires low attack complexity and low privileges. The CVSS 4.0 vector indicates network attack vector, no user interaction, and partial impact on confidentiality, integrity, and availability. No vendor patch or official remediation level is currently documented.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected router, potentially compromising device integrity and availability. The medium CVSS score reflects partial impact on confidentiality, integrity, and availability. No known active exploitation has been reported so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the router's management interface to trusted users only and monitor for suspicious activity related to port forwarding configuration. Avoid exposing the device management interface to untrusted networks.
CVE-2026-8345: Command Injection in D-Link DIR-816
Description
CVE-2026-8345 is a command injection vulnerability in the D-Link DIR-816 router firmware version 1. 10CNB05_R1B011D88210. The flaw exists in the /goform/singlePortForward endpoint, specifically in the function sub_445E7C, where improper handling of the ip_address argument allows remote attackers to execute arbitrary commands. The vulnerability has a medium severity rating with a CVSS 4. 0 base score of 5. 3. Although the exploit has been publicly disclosed, there are no known exploits observed in the wild. No official patch or remediation guidance has been provided by the vendor at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a command injection issue in the D-Link DIR-816 router firmware version 1.10CNB05_R1B011D88210. The injection point is the ip_address parameter processed by the sub_445E7C function in the /goform/singlePortForward file. Remote attackers can manipulate this parameter to execute arbitrary commands on the device. The vulnerability is remotely exploitable without user interaction and requires low attack complexity and low privileges. The CVSS 4.0 vector indicates network attack vector, no user interaction, and partial impact on confidentiality, integrity, and availability. No vendor patch or official remediation level is currently documented.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected router, potentially compromising device integrity and availability. The medium CVSS score reflects partial impact on confidentiality, integrity, and availability. No known active exploitation has been reported so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the router's management interface to trusted users only and monitor for suspicious activity related to port forwarding configuration. Avoid exposing the device management interface to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-11T16:24:21.287Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028746cbff5d86108b50cd
Added to database: 5/12/2026, 1:49:58 AM
Last enriched: 5/12/2026, 1:52:28 AM
Last updated: 5/12/2026, 3:53:16 AM
Views: 2
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