CVE-2024-42057: OS Command Injection
A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-42057?
CVE-2024-42057 is classified as a critical command injection vulnerability in Zyxel's IPSec VPN feature.
How do I fix CVE-2024-42057?
To fix CVE-2024-42057, update your Zyxel device firmware to a version higher than V5.39.
What products are affected by CVE-2024-42057?
CVE-2024-42057 affects Zyxel ATP series, USG FLEX series, USG FLEX 50(W) series, and USG20(W)-VPN series firmware versions from V4.32 to V5.38.
Can CVE-2024-42057 be exploited remotely?
Yes, CVE-2024-42057 can be exploited remotely, which may allow attackers to execute arbitrary commands on the affected devices.
What are the consequences of exploiting CVE-2024-42057?
Exploitation of CVE-2024-42057 can lead to unauthorized access and control over the affected Zyxel devices.