Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Atp100 Firmware | >= 4.32, < 5.37 |
| Zyxel | Atp100 | - |
| Zyxel | Atp100W Firmware | >= 4.32, < 5.37 |
| Zyxel | Atp100W | - |
| Zyxel | Atp200 Firmware | >= 4.32, < 5.37 |
| Zyxel | Atp200 | - |
| Zyxel | Atp500 Firmware | >= 4.32, < 5.37 |
| Zyxel | Atp500 | - |
| Zyxel | Atp700 Firmware | >= 4.32, < 5.37 |
| Zyxel | Atp700 | - |
| Zyxel | Atp800 Firmware | >= 4.32, < 5.37 |
| Zyxel | Atp800 | - |
| Zyxel | Usg Flex 100 Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 100 | - |
| Zyxel | Usg Flex 100Ax Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 100Ax | - |
| Zyxel | Usg Flex 100H Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 100H | - |
| Zyxel | Usg Flex 100W Firmware | >= 4.50, < 5.37 |
| Zyxel | Usg Flex 100W | - |
Related Weaknesses (CWE)
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisVendor Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisVendor Advisory
FAQ
What is CVE-2023-6398?
CVE-2023-6398 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 throug...
How severe is CVE-2023-6398?
CVE-2023-6398 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6398?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Atp100 Firmware, Zyxel Atp100, Zyxel Atp100W Firmware, Zyxel Atp100W, Zyxel Atp200 Firmware.