Critical (10.0) in grandstream. EPSS 2.6% chance of exploitation in the next 30 days.
Grandstream GXV3501, GXV3504, GXV3601, GXV3601HD/LL, GXV3611HD/LL, GXV3615W/P, GXV3651FHD, GXV3662HD, GXV3615WP_HD, GXV3500, and possibly other camera models with firmware 1.0.4.11, have a hardcoded account "!#/" with the same password, which makes it easier for remote attackers to obtain access via a TELNET session.
Severity
CVSS 3.1
10.0 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)