Buffer Overflow Vulnerability in ELECOM LAN Routers

CVE-2021-20852

What is CVE-2021-20852?

A buffer overflow vulnerability exists in certain ELECOM LAN routers, specifically the WRH-733GBK and WRH-733GWH models with firmware versions v1.02.9 and prior. This flaw allows an attacker with network access and administrator privileges to execute arbitrary operating system commands through unspecified vectors, potentially leading to unauthorized actions on the affected device. Users are advised to update their firmware promptly to mitigate the risk associated with this vulnerability.

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