Summary:
Ericsson has released the Indoor Connect 2025.Q3 update which addresses 3 security vulnerabilities found in Ericsson Indoor Connect 8855.
Vulnerability description:
CVE-2025-27260: Ericsson Indoor Connect 8855 versions prior to 2025.Q3 contains an Improper Filtering of Special Elements vulnerability which, if exploited, can lead to unauthorized modification of certain information.
CVSS Base Score: 7.2
Severity: High
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness Type: CWE-790: Improper Filtering of Special Elements
CVE-2025-40841: Ericsson Indoor Connect 8855 versions prior to 2025.Q3 contains a Cross-Site Request Forgery (CSRF) vulnerability which, if exploited, can lead to unauthorized modification of certain information.
CVSS Base Score: 5.1
Severity: Medium
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness Type: CWE-352: Cross-Site Request Forgery (CSRF)
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.
CVSS Base Score: 8.5
Severity: High
CVSS 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
Weakness Type: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Security update:
The following table lists the Ericsson products affected, versions affected, and the updated version that includes this security update.
To protect your system, download and install the updated version.
| CVE Addressed | Product Name | Affected Versions | Updated Versions |
|---|---|---|---|
| CVE-2025-27260 CVE-2025-40841 CVE-2025-40842 |
Indoor Connect 8855 | All versions prior to 2025.Q3 | 2025.Q3 |
Acknowledgement:
Ericsson thanks following people/organization for reporting these issues to us:
Telstra
Additional information:
- Ericsson severity assessment of a vulnerability is based on an average of risk across a diverse set of installed systems and may not represent the true risk to your organization. We recommend evaluating the risk to your specific configuration.
- If you have any questions regarding this bulletin, please reach out to your local Ericsson support representative, for more information see our Customer Support page.
- Learn more about the vulnerability management process followed by the Ericsson Product Security Incident Response Team (PSIRT), see Ericsson PSIRT page.
Revision history:
| Revision | Date | Description |
|---|---|---|
| 1.0 | March 25, 2026 | Initial Release |
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