CVE-2025-40836: Ericsson Indoor Connect 8855 - Improper Input Validation Vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-25 · updated 2026-10-11
Weakness: CWE-20

Description

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: before 2025.q2 — fixed in 2025.q2

How to fix

Upgrade to a fixed version: Ericsson Indoor Connect 8855 2025.q2. Check the vendor advisory for mitigations.

References

https://www.ericsson.com/en/about-us/security/psirt/e2025-09-25

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