CVE-2026-51845 Tenda CVE debrief

Who should care

Organizations using Tenda AC7 v15.03.06.44 should assess their exposure and prioritize patching. Network administrators and cybersecurity teams responsible for managing network devices should review official advisories and consider potential remote exploitation risks.

Technical summary

The CVE-2026-51845 vulnerability is a stack buffer overflow in Tenda AC7 v15.03.06.44, specifically in the /goform/AdvSetMacMtuWan interface via the mac parameter. This type of vulnerability can allow remote attackers to execute arbitrary code or cause denial-of-service conditions. The CVSS score and severity have not been provided, but the potential for remote exploitation suggests a need for prompt attention.

Defensive priority

High priority due to potential remote exploitation and limited information available.

Recommended defensive actions

• Review official vendor advisories for Tenda AC7 v15.03.06.44
• Inventory Tenda AC7 devices and assess exposure
• Apply patches or updates if available
• Monitor network traffic for suspicious activity
• Consider compensating controls if patches are not available

Evidence notes

The CVE-2026-51845 vulnerability is based on information from official sources, including CVE.org and NVD. The primary evidence is the CVE record and details from the NVD database. However, information is limited, and defenders should verify details from official sources. The affected product is Tenda AC7 v15.03.06.44, and the vulnerability exists in the /goform/AdvSetMacMtuWan interface via the mac parameter.

Official resources