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TOTOLINK A3100R Buffer Overflow Vulnerability in MAC Filter Rules Management

Vulnerability

A buffer overflow vulnerability has been identified in the TOTOLINK A3100R router, specifically in version V5.9c.1527. The issue arises in the 'setMacFilterRules' function, where the 'comment' parameter is not properly validated, allowing for arbitrary memory manipulation.

Impact

Exploitation of this vulnerability leads to a buffer overflow, which can commonly result in arbitrary code execution or causing the device to crash.

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

Vulnerability Rating

Custom Algorithm
spread
2.6
impact
10.0
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.