CVE-2026-51843: n/a
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the wanMTU parameter.
AI Analysis
Technical Summary
CVE-2026-51843 identifies a stack buffer overflow in Tenda AC7 router firmware version 15.03.06.44. The flaw exists in the /goform/AdvSetMacMtuWan interface, specifically when processing the wanMTU parameter. This vulnerability is remotely exploitable without authentication, allowing attackers to execute arbitrary code with high impact on system confidentiality, integrity, and availability. The CVSS v3.1 base score is 9.8, indicating critical severity. No vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution without authentication, resulting in full compromise of the affected device. This includes complete loss of confidentiality, integrity, and availability of the router, potentially allowing attackers to control network traffic or disrupt network services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable interface and monitoring for unusual activity related to the /goform/AdvSetMacMtuWan endpoint.
CVE-2026-51843: n/a
Description
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the wanMTU parameter.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-51843 identifies a stack buffer overflow in Tenda AC7 router firmware version 15.03.06.44. The flaw exists in the /goform/AdvSetMacMtuWan interface, specifically when processing the wanMTU parameter. This vulnerability is remotely exploitable without authentication, allowing attackers to execute arbitrary code with high impact on system confidentiality, integrity, and availability. The CVSS v3.1 base score is 9.8, indicating critical severity. No vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation of this vulnerability can lead to remote code execution without authentication, resulting in full compromise of the affected device. This includes complete loss of confidentiality, integrity, and availability of the router, potentially allowing attackers to control network traffic or disrupt network services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable interface and monitoring for unusual activity related to the /goform/AdvSetMacMtuWan endpoint.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3576cef198dc38c1c38eb5
Added to database: 06/19/2026, 17:05:18 UTC
Last enriched: 06/26/2026, 19:20:34 UTC
Last updated: 08/02/2026, 22:28:51 UTC
Views: 97
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