Topvision CC8800 CMTS C-E devices allow remote attackers to obtain sensitive information via a direct request for /WebContent/startup.tar.gz with userName=admin in a cookie.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)