CVE-2025-40836: Ericsson Indoor Connect 8855 Firmware

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Ericsson Indoor Connect 8855 contains an improper input validation vulnerability which if exploited can allow an attacker to execute commands with escalated privileges.

Affected products

• Ericsson Indoor Connect 8855 Firmware: before 2025.q2 (fixed in 2025.q2)

Published 2025-09-25. Last modified 2026-06-17.