Stack Buffer Overflow Vulnerability in Tenda AC11 Devices
CVE-2021-31756
9.8CRITICAL
Summary
A stack buffer overflow vulnerability exists in Tenda AC11 devices running specific firmware versions. This issue occurs in the /gofrom/setwanType endpoint, where malicious input can be exploited through crafted POST requests. When the attacker-controlled input is incorrectly handled, it leads to arbitrary code execution on the device, potentially compromising the system's integrity and security.
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