NetSight
high8.1

CVE-2023-22913

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, a…

Impact

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an affected device.

Affected products

VendorProductAffected versions
ZyxelUsg Flex 100 Firmware
from 4.50 through 5.35
ZyxelUsg Flex 100w Firmware
from 4.50 through 5.35
ZyxelUsg Flex 200 Firmware
from 4.50 through 5.35
ZyxelUsg Flex 50 Firmware
from 4.50 through 5.35
ZyxelUsg Flex 50w Firmware
from 4.50 through 5.35
ZyxelUsg Flex 500 Firmware
from 4.50 through 5.35
ZyxelUsg Flex 700 Firmware
from 4.50 through 5.35
ZyxelVpn100 Firmware
from 4.50 through 5.35
ZyxelVpn1000 Firmware
from 4.50 through 5.35
ZyxelVpn300 Firmware
from 4.50 through 5.35
ZyxelVpn50 Firmware
from 4.50 through 5.35

Weakness classification

References