CVE-2022-30526

A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
ZyxelCNA
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 85%
VendorProductVersion
zyxelusg_flex_100w_firmware
4.50 ≤
𝑥
≤ 5.30
zyxelusg_flex_200_firmware
4.50 ≤
𝑥
≤ 5.30
zyxelusg_flex_500_firmware
4.50 ≤
𝑥
≤ 5.30
zyxelusg_flex_700_firmware
4.50 ≤
𝑥
≤ 5.30
zyxelusg_flex_50w_firmware
4.16 ≤
𝑥
≤ 5.30
zyxelusg20w-vpn_firmware
4.16 ≤
𝑥
≤ 5.30
zyxelatp800_firmware
4.32 ≤
𝑥
≤ 5.30
zyxelatp700_firmware
4.32 ≤
𝑥
≤ 5.30
zyxelatp500_firmware
4.32 ≤
𝑥
≤ 5.30
zyxelatp200_firmware
4.32 ≤
𝑥
≤ 5.30
zyxelatp100w_firmware
4.32 ≤
𝑥
≤ 5.30
zyxelatp100_firmware
4.32 ≤
𝑥
≤ 5.30
zyxelvpn1000_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelvpn300_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelvpn100_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelvpn50_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelusg20-vpn_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelusg_2200-vpn_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelzywall_110_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelzywall_310_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelzywall_1100_firmware
4.30 ≤
𝑥
≤ 5.30
zyxelusg40_firmware
4.09 ≤
𝑥
≤ 4.72
zyxelusg40w_firmware
4.09 ≤
𝑥
≤ 4.72
zyxelusg60_firmware
4.09 ≤
𝑥
≤ 4.72
zyxelusg60w_firmware
4.09 ≤
𝑥
≤ 4.72
𝑥
= Vulnerable software versions