Is CVE-2025-40842 actively exploited?

CVE-2025-40842 has no public evidence of in-the-wild exploitation as of 2026-03-27.

What is the CVSS score for CVE-2025-40842?

CVE-2025-40842 has a CVSS score of 8.5 (HIGH severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/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.

How do I patch CVE-2025-40842?

Patch guidance is available from ericsson security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-40842.

Which products are affected by CVE-2025-40842?

1 product: ericsson indoor connect 8855 firmware.

Fix CVE-2025-40842 - HIGH | CVEDatabase.com

Description

Ericsson Indoor Connect 8855 versions prior to 2025.Q3 contains a Cross-Site Scripting (XSS) vulnerability which, if exploited, can lead to unauthorized disclosure and modification of certain information.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/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
Complexity: low
Privileges: low
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: ERICSSON
Published: 3/25/2026
Last Modified: 3/27/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-40842

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary