CVE-2023-6398 Command injection in NWA50AX firmware
Authenticated administrators can execute OS commands via FTP in Zyxel network device firmware, requiring vendor patches.
- 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-2023-6398?
CVE-2023-6398 is a high-severity command injection vulnerability in Zyxel NWA50AX firmware, published on 20 Feb 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1,
USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1,
NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.
Weakness: CWE-78
Which versions are affected by CVE-2023-6398?
It affects 42 products.
Products include Zyxel Atp100 Firmware, Zyxel Atp100w Firmware, Zyxel Atp200 Firmware, Zyxel Atp500 Firmware, Zyxel Atp700 Firmware, Zyxel Atp800 Firmware and 36 more.
How do I fix CVE-2023-6398?
No fix has been published for CVE-2023-6398 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-2023-6398 being exploited?
There is no known exploitation of CVE-2023-6398 in the wild and no public exploit code.
Other vulnerabilities in Zyxel NWA50AX 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-p6jh-65c7-8r26.