CVE-2025-63409

Name: CVE-2025-63409
Creator: NVD / NIST
Published: 2026-02-24T16:24:06.99+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2025-63409 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows remote authenticated users to modify administrator only settings and extract administrator credentials.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.29%

21.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Gcomtw	Gcom Epon 1ge Firmware	c00r371v00b01

References

http://gcom.comBroken Link
https://github.com/theShinigami/CVE-Disclosures/tree/main/CVE-2025-63409Third Party Advisory

Timeline

Published: Feb 24, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-63409?

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

How severe is CVE-2025-63409?

CVE-2025-63409 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2025-63409?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-63409?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST