CVE-2023-22914 Path traversal in USG FLEX series firmware
Remote authenticated administrators can execute unauthorized OS commands via path traversal in the account_print.cgi program when hotspot is enabled.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-22914?
CVE-2023-22914 is a high-severity path traversal vulnerability in Zyxel USG FLEX series firmware, published on 24 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2023-22914?
It affects 11 products.
Products include Zyxel Usg Flex 100 Firmware, Zyxel Usg Flex 100w Firmware, Zyxel Usg Flex 200 Firmware, Zyxel Usg Flex 500 Firmware, Zyxel Usg Flex 50 Firmware, Zyxel Usg Flex 50w Firmware and 5 more.
How do I fix CVE-2023-22914?
No fix has been published for CVE-2023-22914 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-22914 being exploited?
There is no known exploitation of CVE-2023-22914 in the wild and no public exploit code.
Other vulnerabilities in Zyxel USG FLEX series firmware
Sources
Also known as GHSA-3pc2-c878-63rj.