CVE-2023-22914

High

Description

A path traversal vulnerability in the “account_print.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 with administrator privileges to execute unauthorized OS commands in the “tmp” directory by uploading a crafted file if the hotspot function were enabled.

SeverityHigh
CVSS7.2
Exploit probability—
ProductZyxel Usg Flex 100 Firmware
PublishedApr 24, 2023
First seenApr 24, 2023

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
zyxel usg_flex_100_firmware4.50 ≤ v ≤ 5.35—
zyxel usg_flex_100w_firmware4.50 ≤ v ≤ 5.35—
zyxel usg_flex_200_firmware4.50 ≤ v ≤ 5.35—
zyxel usg_flex_50_firmware4.50 ≤ v ≤ 5.35—
zyxel usg_flex_50w_firmware4.50 ≤ v ≤ 5.35—
zyxel usg_flex_500_firmware4.50 ≤ v ≤ 5.35—
zyxel usg_flex_700_firmware4.50 ≤ v ≤ 5.35—
zyxel vpn100_firmware4.50 ≤ v ≤ 5.35—
zyxel vpn1000_firmware4.50 ≤ v ≤ 5.35—
zyxel vpn300_firmware4.50 ≤ v ≤ 5.35—
zyxel vpn50_firmware4.50 ≤ v ≤ 5.35—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.