Stack-based buffer overflow in WRH-733GBK and WRH-733GWH - CVE-2021-20852
Published: November 30, 2021
Vulnerability identifier: #VU58434
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-20852
CWE-ID: CWE-121
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
WRH-733GBK
WRH-733GWH
WRH-733GWH
How to mitigate CVE-2021-20852
Install updates from vendor's website.
WRH-733GBK - update to 1.05
WRH-733GWH - update to 1.05
WRH-733GWH - update to 1.05