CVE-2023-33011

A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2,  USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ZyxelCNA
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
VendorProductVersion
zyxelusg_2200-vpn_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_100_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_100w_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_200_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_50_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_500_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_50w_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_flex_700_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn100_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn2s_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn300_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn50_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn_100_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn_300_firmware
5.00 ≤
𝑥
< 5.37
zyxelzywall_vpn_50_firmware
5.00 ≤
𝑥
< 5.37
zyxelusg_20w-vpn_firmware
5.10 ≤
𝑥
< 5.37
zyxelzywall_atp100_firmware
5.10 ≤
𝑥
< 5.37
zyxelzywall_atp100w_firmware
5.10 ≤
𝑥
< 5.37
zyxelzywall_atp200_firmware
5.10 ≤
𝑥
< 5.37
zyxelzywall_atp500_firmware
5.10 ≤
𝑥
< 5.37
zyxelzywall_atp700_firmware
5.10 ≤
𝑥
< 5.37
zyxelzywall_atp800_firmware
5.10 ≤
𝑥
< 5.37
𝑥
= Vulnerable software versions