CVE-2023-6398
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.
Weaknesses (CWE)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Zyxel | ATP series firmware | version 4.32 through 5.37 Patch 1 (affected) |
| Zyxel | USG FLEX series firmware | version 4.50 through 5.37 Patch 1 (affected) |
| Zyxel | USG FLEX 50(W) series firmware | version 4.16 through 5.37 Patch 1 (affected) |
| Zyxel | USG20(W)-VPN series firmware | version 4.16 through 5.37 Patch 1 (affected) |
| Zyxel | NWA50AX firmware | < 6.29(ABYW.4) (affected) |
| Zyxel | WAC500 firmware | < 6.70(ABVS.1) (affected) |
| Zyxel | WAX300H firmware | < 6.70(ACHF.1) (affected) |
| Zyxel | WBE660S firmware | < 6.70(ACGG.1) (affected) |
| Zyxel | USG FLEX H series firmware | version 1.10 through 1.10 Patch 1 (affected) |
References & Technical Advisories
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zyxel Corporation · Vendor · Taiwan |
| Reserved | 2023-11-30T07:58:16 |
| Published | 2024-02-20T01:34:32 |
| Last Updated | 2024-08-25T15:46:49 |
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