Stack Buffer Overflow in Tenda AC7 Router
CVE-2026-51845

9.8CRITICAL

Key Information:

Vendor

Tenda

Status
Vendor
CVE Published:
19 June 2026

What is CVE-2026-51845?

The Tenda AC7 router version 15.03.06.44 is susceptible to a stack buffer overflow vulnerability. This security flaw can be exploited through the /goform/AdvSetMacMtuWan interface by manipulating the mac parameter. Successful exploitation may allow an attacker to execute arbitrary code, compromising the integrity and availability of the device. Network administrators should promptly apply mitigations to ensure the security of their systems.

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.