Tenda AC8V4 Stack Overflow Vulnerability in the shareSpeed Parameter

Vulnerability

A stack overflow vulnerability has been identified in the Tenda AC8V4 router, specifically in version V16.03.34.06. The issue arises in the sub_49E098 function, where the shareSpeed parameter is processed.

Impact

Exploitation of this vulnerability leads to a stack overflow, which can potentially be used to execute arbitrary code or cause a denial-of-service condition by crashing the device.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
4.5
impact
2.5
exploitability
8.4
remediation
0.0
relevance
0.0
threat
6.4
urgency
2.9
incentive
5.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.