PT-2019-4961 · Zyxel · Zyxel Atp+4

Published 2019-06-19 · Updated 2019-06-19

Positive Technologies (AI Summary)

CVSS v2.0

9.4

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:C

Name of the Vulnerable Software and Affected Versions ZyXEL USG, UAG, ATP, VPN, and NXC series (affected versions not specified)

Description The issue is related to insufficient input validation in the firmware of ZyXEL routers. This can be exploited by a remote attacker to cause a denial of service or gain unauthorized access to protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

RCE

Weakness Enumeration

CWE-200

CWE-20

Related Identifiers

BDU:2020-01581

Affected Products

Zyxel Atp

Zyxel Nxc

Zyxel Uag

Zyxel Usg

Zyxel Vpn

References · 3

• https://bdu.fstec.ru/vul/2020-01581 · Security Note
• https://zyxel.com/support/web-CGI-vulnerability-of-gateways-and-access-point-controllers.shtml · Note
• https://securitylab.ru/news/500816.php · Note