Tenda FH1202 Stack-Based Buffer Overflow Vulnerability in DHCP Management Function

Vulnerability

A critical stack-based buffer overflow vulnerability has been identified in the Tenda FH1202 router, specifically in version 1.2.0.14(408). The issue arises in the 'fromGstDhcpSetSer' function within the '/goform/GstDhcpSetSer' file, where the 'dips' parameter can be manipulated, leading to memory corruption. This vulnerability can be exploited remotely, and a public proof-of-concept exploit is available.

Impact

Exploitation of this vulnerability causes a stack-based buffer overflow, which can lead to arbitrary code execution or other malicious actions by overwriting the return address on the stack.

Added: Jul 13, 2025, 12:18 PM
Updated: Jul 13, 2025, 12:18 PM

Vulnerability Rating

Custom Algorithm
spread
2.6
impact
7.5
exploitability
6.2
remediation
0.0
relevance
0.2
threat
6.4
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.