Which versions of Indoor Connect 8855 Firmware are affected by CVE-2025-40837?

Organizations using Ericsson Indoor Connect 8855 face significant risk from CVE-2025-40837, a missing authorization vulnerability rated CVSS 8.7.

How to fix or mitigate CVE-2025-40837?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Indoor Connect 8855 Firmware CVE-2025-40837

Q: What is the CVSS score of CVE-2025-40837?

CVE-2025-40837 has a CVSS 4.0 base score of 8.7 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

HIGH

Missing Authorization (CWE-862)

2025-09-25 85b1779b-6ecd-4f52-bcc5-73eac4659dcf

Authentication Bypass Ericsson Indoor Connect 8855 Firmware

8.7

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.7 HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:14 vuln.today

CVE Published

Sep 25, 2025 - 15:16 nvd

HIGH 8.7

DescriptionCVE.org

Ericsson Indoor Connect 8855 contains a missing authorization vulnerability which if exploited can allow access to the system as a user with higher privileges than intended.

AnalysisAI

Ericsson Indoor Connect 8855 contains a missing authorization vulnerability which if exploited can allow access to the system as a user with higher privileges than intended. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Ericsson Indoor Connect 8855 contains a missing authorization vulnerability which if exploited can allow access to the system as a user with higher privileges than intended. Affected products include: Ericsson Indoor Connect 8855 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.