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

High 8.7 Published 25 Sep 2025 Updated 30 Sep 2025

An attacker can execute commands with escalated privileges on Ericsson Indoor Connect 8855 devices due to improper input validation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-40836?

CVE-2025-40836 is a high-severity command injection vulnerability in Ericsson Indoor Connect 8855, published on 25 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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

Weakness: CWE-20

Which versions are affected by CVE-2025-40836?

It affects 1 product.

Products include Ericsson Indoor Connect 8855 Firmware.

How do I fix CVE-2025-40836?

No fix has been published for CVE-2025-40836 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-40836 being exploited?

There is no known exploitation of CVE-2025-40836 in the wild and no public exploit code.

Sources

Also known as GHSA-72r9-6vhw-cpmr.