Stack-based buffer overflow in WRH-733GBK and WRH-733GWH - CVE-2021-20852

 

Stack-based buffer overflow in WRH-733GBK and WRH-733GWH - CVE-2021-20852

Published: November 30, 2021


Vulnerability identifier: #VU58434
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20852
CWE-ID: CWE-121
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
WRH-733GBK
WRH-733GWH
Software vendor:
ELECOM CO. ,LTD.

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote administrator on the local network can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links