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Fencer Vulns
high 8.8

CVE-2025-63409 json

Privilege escalation and improper access control in GCOM EPON 1GE C00R371V00B01 allows remote authenticated users to modify administrator o…

published 2026-02-24 8 mo ago modified 2026-07-05 4 mo ago also EUVD-2025-208090

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
8 mo ago

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.