High · 8.1 CVE-2025-71056 EUVD-2025-207619GHSA-f8w4-9vp9-7v2q

Improper session management in GCOM EPON 1GE ONU version C00R371V00B01 allows attackers to execute a session hijacking attack via spoofing …

Published Feb 23, 2026 · Updated Jul 5, 2026 · Assigned by mitre

Description

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.

References

https://johnbai.en.made-in-china.com/product/JXnENzmlJFpv/China-H18gn-Series-Gpon-Ont-ONU.html
https://github.com/theShinigami/CVE-Disclosures/blob/main/CVE-2025-71056/README.md