CVE-2026-8344: Command Injection in D-Link DIR-816
CVE-2026-8344 is a command injection vulnerability in the D-Link DIR-816 router firmware version 1. 10CNB05_R1B011D88210. The flaw exists in the sub_445E7C function of the /goform/formDMZ. cgi file and can be exploited remotely without user interaction. Public exploit code is available, increasing the risk of potential attacks. The vulnerability has a medium severity rating with a CVSS 4. 0 score of 5. 3. No official patch or remediation guidance has been provided by the vendor as of the published date.
AI Analysis
Technical Summary
This vulnerability affects the D-Link DIR-816 router running firmware version 1.10CNB05_R1B011D88210. The issue is a command injection in the sub_445E7C function within the /goform/formDMZ.cgi endpoint, allowing an attacker to remotely execute arbitrary commands on the device. The vulnerability requires low attack complexity and no privileges or user interaction, but has low impact on confidentiality, integrity, and availability. Exploit code is publicly available, but no known exploits in the wild have been reported. The vendor has not released an official fix or patch at this time.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected router, potentially compromising device control. The impact on confidentiality, integrity, and availability is rated low, but the presence of public exploit code increases the risk of exploitation. No known active exploitation has been reported.
Mitigation Recommendations
No official patch or remediation guidance is currently available from the vendor. Users should monitor the vendor's advisories for updates. Until a fix is released, consider limiting remote access to the affected device and disabling the DMZ feature if possible to reduce exposure.
CVE-2026-8344: Command Injection in D-Link DIR-816
Description
CVE-2026-8344 is a command injection vulnerability in the D-Link DIR-816 router firmware version 1. 10CNB05_R1B011D88210. The flaw exists in the sub_445E7C function of the /goform/formDMZ. cgi file and can be exploited remotely without user interaction. Public exploit code is available, increasing the risk of potential attacks. The vulnerability has a medium severity rating with a CVSS 4. 0 score of 5. 3. No official patch or remediation guidance has been provided by the vendor as of the published date.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the D-Link DIR-816 router running firmware version 1.10CNB05_R1B011D88210. The issue is a command injection in the sub_445E7C function within the /goform/formDMZ.cgi endpoint, allowing an attacker to remotely execute arbitrary commands on the device. The vulnerability requires low attack complexity and no privileges or user interaction, but has low impact on confidentiality, integrity, and availability. Exploit code is publicly available, but no known exploits in the wild have been reported. The vendor has not released an official fix or patch at this time.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected router, potentially compromising device control. The impact on confidentiality, integrity, and availability is rated low, but the presence of public exploit code increases the risk of exploitation. No known active exploitation has been reported.
Mitigation Recommendations
No official patch or remediation guidance is currently available from the vendor. Users should monitor the vendor's advisories for updates. Until a fix is released, consider limiting remote access to the affected device and disabling the DMZ feature if possible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-11T16:24:15.587Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028746cbff5d86108b50e5
Added to database: 5/12/2026, 1:49:58 AM
Last enriched: 5/12/2026, 1:53:18 AM
Last updated: 5/12/2026, 3:51:06 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.