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TOTOLINK X18 Stack-Based Buffer Overflow Vulnerability in Password Configuration Function

Vulnerability

A critical stack-based buffer overflow vulnerability has been identified in the TOTOLINK X18 router, specifically in version 9.1.0cu.2024_B20220329. The issue arises in the 'setPasswordCfg' function within the '/cgi-bin/cstecgi.cgi' file. This vulnerability can be exploited remotely by manipulating string input, potentially leading to arbitrary code execution.

Impact

Exploitation of this vulnerability causes a stack-based buffer overflow, which can lead to arbitrary code execution on the affected device.

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

Vulnerability Rating

Custom Algorithm
spread
2.6
impact
7.5
exploitability
4.9
remediation
0.0
relevance
0.0
threat
0.0
urgency
2.9
incentive
0.8

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