Stack-based buffer overflow in DrayTek Corp. products - CVE-2020-14473
Published: June 27, 2020
Vulnerability identifier: #VU29335
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-14473
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: DrayTek Corp.
Affected software:
Vigor 3900
Vigor 2960
Vigor 300B
Vigor 3900
Vigor 2960
Vigor 300B
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger a stack-based buffer overflow and execute arbitrary code on the target system or perform a denial of service (DoS) attack.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-14473
Install updates from vendor's website.