Stack-based buffer overflow in DrayTek Corp. products - CVE-2020-14473
Published: June 27, 2020
Vulnerability identifier: #VU29335
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2020-14473
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Vigor 2960
Vigor 300B
Vigor 3900
Vigor 300B
Vigor 3900
How to mitigate CVE-2020-14473
Install updates from vendor's website.
Vigor 2960 - update to 1.5.1.1
Vigor 300B - update to 1.5.1.1
Vigor 3900 - update to 1.5.1.1
Vigor 300B - update to 1.5.1.1
Vigor 3900 - update to 1.5.1.1