CVE-2023-22915
Estado: ModificadaAlta (7.5)—
A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN firmware versions 4.30 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote unauthenticated attacker to cause DoS conditions by sending a crafted HTTP request if the Facebook WiFi function were enabled on an affected device.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.05%
- Percentil entre todas las CVEs puntuadas: 63
- 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 (12)
Zyxel — USG 20w-vpn FirmwareZyxel — USG Flex 100 FirmwareZyxel — USG Flex 100w FirmwareZyxel — USG Flex 200 FirmwareZyxel — USG Flex 500 FirmwareZyxel — USG Flex 50 FirmwareZyxel — USG Flex 50W FirmwareZyxel — USG Flex 700 FirmwareZyxel — Vpn1000 FirmwareZyxel — Vpn100 FirmwareZyxel — Vpn300 FirmwareZyxel — Vpn50 Firmware
CWE
- CWE-120
- CWE-120
Referencias
JSON original (NVD)
Mostrar
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