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TI-2025-39302 Aliases CVE-2025-63409GHSA-vrfc-p4p2-v8r2

Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows…

Priority MEDIUM 40CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows remote authenticated users to modify administrator only settings and extract administrator credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:gcomtw:gcom_epon_1ge_firmware:c00r371v00b01:*:*:*:*:*:*:*c00r371v00b01VulnerableGcomtw
cpe:2.3:h:gcomtw:gcom_epon_1ge:-:*:*:*:*:*:*:*not specified by NVDRunning onGcomtw
  • cpe:2.3:o:gcomtw:gcom_epon_1ge_firmware:c00r371v00b01:*:*:*:*:*:*:* Versions c00r371v00b01 Vulnerable ·Gcomtw
  • cpe:2.3:h:gcomtw:gcom_epon_1ge:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Gcomtw

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-63409
  2. 2026-10-03 Alias added: GHSA-vrfc-p4p2-v8r2

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences