CVE-2022-30526
Estado: ModificadaAlta (7.8)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.13%
- Percentil entre todas las CVEs puntuadas: 65
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (25)
Zyxel — Atp100 FirmwareZyxel — Atp100w FirmwareZyxel — Atp200 FirmwareZyxel — Atp500 FirmwareZyxel — Atp700 FirmwareZyxel — Atp800 FirmwareZyxel — Usg20-vpn FirmwareZyxel — Usg20w-vpn FirmwareZyxel — Usg40 FirmwareZyxel — Usg40w FirmwareZyxel — Usg60 FirmwareZyxel — Usg60w FirmwareZyxel — USG 2200-vpn FirmwareZyxel — USG Flex 100w FirmwareZyxel — USG Flex 200 FirmwareZyxel — USG Flex 500 FirmwareZyxel — USG Flex 50W FirmwareZyxel — USG Flex 700 FirmwareZyxel — Vpn1000 FirmwareZyxel — Vpn100 FirmwareZyxel — Vpn300 FirmwareZyxel — Vpn50 FirmwareZyxel — Zywall 1100 FirmwareZyxel — Zywall 110 FirmwareZyxel — Zywall 310 Firmware
CWE
- CWE-269
- CWE-269
Referencias
- http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
- https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml
- http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
- https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml
JSON original (NVD)
Mostrar
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