CVE-2022-38547 Command injection in ATP series firmware
Authenticated administrators can execute arbitrary OS commands via CLI in Zyxel firewall firmware, requiring a security patch.
- 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-2022-38547?
CVE-2022-38547 is a high-severity command injection vulnerability in Zyxel ATP series firmware, published on 7 Feb 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.
Weakness: CWE-78
Which versions are affected by CVE-2022-38547?
It affects 25 products.
Products include Zyxel Atp100 Firmware, Zyxel Atp100w Firmware, Zyxel Atp200 Firmware, Zyxel Atp500 Firmware, Zyxel Atp700 Firmware, Zyxel Atp800 Firmware and 19 more.
How do I fix CVE-2022-38547?
No fix has been published for CVE-2022-38547 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2022-38547 being exploited?
There is no known exploitation of CVE-2022-38547 in the wild and no public exploit code.
Other vulnerabilities in Zyxel ATP series firmware
- CVE-2023-33009 Zyxel Multiple Firewalls Buffer Overflow
- CVE-2023-33010 Zyxel Multiple Firewalls Buffer Overflow
- CVE-2023-28771 Zyxel Multiple Firewalls OS Command Injection
- CVE-2022-30525 Zyxel Multiple Firewalls OS Command Injection
- CVE-2020-29583 Zyxel Multiple Products Use of Hard-Coded Credentials
Sources
Also known as GHSA-w85w-m9jr-jffx.