CVE-2025-40836

CRITICALNVD 9.89.8—

9.8

Ericsson Indoor Connect 8855 contains an improper input validation vulnerability which if exploited can allow an attacker to execute commands with escalated privileges.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 32.3%
KEV: Not listed

Published

September 25, 2025

Last Modified

October 2, 2025

References (1)

85b1779b-6ecd-4f52-bcc5-73eac4659dcfhttps://www.ericsson.com/en/about-us/security/psirt/e2025-09-25

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 8× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-16 17:52 UTCEPSS rescore
2026-06-16 17:52 UTCEPSS rescore
2026-06-14 23:17 UTCEPSS rescore
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2026-06-08 14:16 UTCEPSS rescore
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2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
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2026-06-05 22:46 UTCEPSS rescore
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2026-06-05 06:10 UTCEPSS rescore
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2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore

Show 3 more

2026-05-29 22:02 UTCEG score recompute
2026-05-29 22:02 UTCGHSA enrichment
2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-40836?

CVE-2025-40836 is a critical vulnerability published on September 25, 2025. Ericsson Indoor Connect 8855 contains an improper input validation vulnerability which if exploited can allow an attacker to execute commands with escalated privileges.

When was CVE-2025-40836 disclosed?

CVE-2025-40836 was first published in the National Vulnerability Database on September 25, 2025, with the most recent update on October 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-40836 actively exploited?

CVE-2025-40836 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-40836?

CVE-2025-40836 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-40836?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-40836, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-40836

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-40836?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)