CVE-2023-22914

Name: CVE-2023-22914
Creator: NVD / NIST
Published: 2023-04-24T17:15:09.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2023-22914 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.03%

59.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zyxel	Usg Flex 100 Firmware	>= 4.50, <= 5.35
Zyxel	Usg Flex 100w Firmware	>= 4.50, <= 5.35
Zyxel	Usg Flex 200 Firmware	>= 4.50, <= 5.35
Zyxel	Usg Flex 50 Firmware	>= 4.50, <= 5.35
Zyxel	Usg Flex 50w Firmware	>= 4.50, <= 5.35
Zyxel	Usg Flex 500 Firmware	>= 4.50, <= 5.35
Zyxel	Usg Flex 700 Firmware	>= 4.50, <= 5.35
Zyxel	Vpn100 Firmware	>= 4.50, <= 5.35
Zyxel	Vpn1000 Firmware	>= 4.50, <= 5.35
Zyxel	Vpn300 Firmware	>= 4.50, <= 5.35
Zyxel	Vpn50 Firmware	>= 4.50, <= 5.35

References

Timeline

Published: Apr 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22914?

How severe is CVE-2023-22914?

CVE-2023-22914 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22914?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22914?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST