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TOTOLINK N350RT Buffer Overflow Vulnerability in IP Port Filter Rules Function

Vulnerability

A buffer overflow vulnerability has been identified in the TOTOLINK N350RT router, specifically in version V9.3.5u.6139_B20201216. The issue arises in the function responsible for setting IP port filter rules, where the ePort parameter is improperly handled, leading to potential memory corruption.

Impact

Exploitation of this vulnerability causes a buffer overflow, which can commonly lead to arbitrary code execution or causing a device to crash.

Added: Jul 17, 2025, 2:33 PM
Updated: Jul 17, 2025, 2:33 PM

Vulnerability Rating

Custom Algorithm
spread
4.5
impact
7.5
exploitability
9.1
remediation
0.0
relevance
0.3
threat
6.4
urgency
2.9
incentive
9.2

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