CVE-2025-71056

HIGHNVD 8.19.1▲

8.1

Improper session management in GCOM EPON 1GE ONU version C00R371V00B01 allows attackers to execute a session hijacking attack via spoofing the IP address of an authenticated user.

CVSS v3: 8.1
EG Score: 9.1(medium)
EPSS: 12.3%
KEV: Not listed

Published

February 23, 2026

Last Modified

April 15, 2026

References (3)

Data Freshness Timeline

(refreshed 19× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
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2026-05-24 16:58 UTCepss_batch

Frequently asked(5)

What is CVE-2025-71056?

CVE-2025-71056 is a high vulnerability published on February 23, 2026. Improper session management in GCOM EPON 1GE ONU version C00R371V00B01 allows attackers to execute a session hijacking attack via spoofing the IP address of an authenticated user.

When was CVE-2025-71056 disclosed?

CVE-2025-71056 was first published in the National Vulnerability Database on February 23, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-71056 actively exploited?

CVE-2025-71056 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-71056?

CVE-2025-71056 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.1.

How do I remediate CVE-2025-71056?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71056, 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.

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CVE-2025-71056

📅 Published

🔄 Last Modified

🔗 References (3)