VULNERABILITY INTELLIGENCE

CVE-2001-1135

CVSS score7.5 HIGH
EPSS probability1.50%
CISA KEVNot currently listed
Published2001-08-14
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P

Description

ZyXEL Prestige 642R and 642R-I routers do not filter the routers' Telnet and FTP ports on the external WAN interface from inside access, allowing someone on an internal computer to reconfigure the router, if the password is known.

Primary references