The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthenticated attacker could leverage the vulnerability to modify device configuration data, resulting in DoS conditions on an affected device if the attacker could trick an authorized administrator to switch the management mode to the cloud mode.
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Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| zyxel | usg_flex_100_firmware | 5.00 - 5.35 | - |
| zyxel | usg_flex_100w_firmware | 5.00 - 5.35 |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
18
Affected Products
2
References
zyxel / usg_flex_100_firmware
| - |
| zyxel | usg_flex_200_firmware | 5.00 - 5.35 | - |
| zyxel | usg_flex_50_firmware | 5.00 - 5.35 | - |
| zyxel | usg_flex_50w_firmware | 5.10 - 5.35 | - |
| zyxel | usg_flex_500_firmware | 5.00 - 5.35 | - |
| zyxel | usg_flex_700_firmware | 5.00 - 5.35 | - |
| zyxel | vpn100_firmware | 5.00 - 5.35 | - |
| zyxel | vpn1000_firmware | 5.00 - 5.35 | - |
| zyxel | vpn300_firmware | 5.00 - 5.35 | - |
| zyxel | vpn50_firmware | 5.00 - 5.35 | - |
| zyxel | usg_20w-vpn_firmware | 5.10 - 5.35 | - |
| zyxel | atp100_firmware | 5.10 - 5.35 | - |
| zyxel | atp100w_firmware | 5.10 - 5.35 | - |
| zyxel | atp200_firmware | 5.10 - 5.35 | - |
| zyxel | atp500_firmware | 5.10 - 5.35 | - |
| zyxel | atp700_firmware | 5.10 - 5.35 | - |
| zyxel | atp800_firmware | 5.10 - 5.35 | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Exploitability
Impact