CVE-2025-40841Network attack vector

Unauthorized modification via forged browser requests

Published Mar 25, 2026 · Updated Mar 25, 2026

Cross-site request forgery in Ericsson Indoor Connect 8855 before 2025.Q3 allows attackers to modify certain information. Ericsson has not disclosed the affected management endpoint or the specific request-origin or anti-CSRF validation that is absent. Exploitation requires user interaction involving a browser session; the affected fields and resulting operational consequences remain undisclosed.

CVSS severity5.1
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Ericsson Indoor Connect 8855 before 2025.Q3 allows attackers to modify certain information. Ericsson has not disclosed the affected management endpoint or the specific request-origin or anti-CSRF validation that is absent. Exploitation requires user interaction involving a browser session; the affected fields and resulting operational consequences remain undisclosed.

The record

CVE
CVE-2025-40841
Published
Mar 25, 2026
Updated
Mar 25, 2026
Vendor
Ericsson
Product
Indoor Connect 8855
Classifications
CWE-352, CAPEC-62
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2025.Q3 changes=[{"at":"2025.Q3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Ericsson · Indoor Connect 8855version=0 <2025.Q3 changes=[{"at":"2025.Q3","status":"unaffected"}]

Published CVSS scores

5.1EricssonCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
4.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
CAPEC-62Cross Site Request Forgery

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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