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CVE-2025-40836

Ericsson Indoor Connect 8855 Firmware vulnerability

9.8 CRITICALEPSS 0.45%
  1. Published25 Sept 2025

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Ericsson Indoor Connect 8855 Firmware< 2025.q2

Remediation

Fixed in
Ericsson Indoor Connect 8855 Firmware≥ 2025.q2

References

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Frequently asked

Is CVE-2025-40836 being actively exploited?

CVE-2025-40836 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.45%.

How severe is CVE-2025-40836?

CVE-2025-40836 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.45% probability of exploitation.

Which products are affected by CVE-2025-40836?

Affected products include Ericsson Indoor Connect 8855 Firmware.

How do I fix CVE-2025-40836?

Upgrade affected software to a fixed version, for example Ericsson Indoor Connect 8855 Firmware 2025.q2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-40836 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.