What is CVE-2025-40842?

CVE-2025-40842 is a medium-severity vulnerability in Ericsson Indoor Connect 8855, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-25.

How severe is CVE-2025-40842?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Ericsson Indoor Connect 8855

CVE-2025-40842

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ericsson Indoor Connect 8855 — versions 0
Ericsson Indoor_connect_8855
Ericsson Indoor_connect_8855_firmware

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

85b1779b-6ecd-4f52-bcc5-73eac4659dcf (Vendor Advisory)
85b1779b-6ecd-4f52-bcc5-73eac4659dcf (Vendor Advisory)

Frequently asked questions

What is CVE-2025-40842?: CVE-2025-40842 is a medium-severity vulnerability in Ericsson Indoor Connect 8855, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-25.
How severe is CVE-2025-40842?: Medium severity. CVSS v3 base score is 6.1 out of 10.