A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| zyxel | usg_2200-vpn_firmware | 4.20 - 5.37 | - |
| zyxel | usg_flex_100_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_100w_firmware |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
15
Affected Products
2
References
zyxel / usg_2200-vpn_firmware
| 4.50 - 5.37 |
| - |
| zyxel | usg_flex_200_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_50_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_500_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_50w_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_700_firmware | 4.50 - 5.37 | - |
| zyxel | zywall_vpn100_firmware | 4.20 - 5.37 | - |
| zyxel | zywall_vpn2s_firmware | 4.20 - 5.37 | - |
| zyxel | zywall_vpn300_firmware | 4.20 - 5.37 | - |
| zyxel | zywall_vpn50_firmware | 4.20 - 5.37 | - |
| zyxel | zywall_vpn_100_firmware | 4.20 - 5.37 | - |
| zyxel | zywall_vpn_300_firmware | 4.20 - 5.37 | - |
| zyxel | zywall_vpn_50_firmware | 4.20 - 5.37 | - |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Impact