CVE-2025-66635

Published Dec 16, 2025 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Stack-based buffer overflow vulnerability exists in SEIKO EPSON Web Config. Specially crafted data input by a logged-in user may execute arbitrary code. As for the details of the affected products and versions, see the information provided by the vendor under [References].

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Seiko Epson Corporation
Seiko Epson Corporation web Config
Vendors & Products Seiko Epson Corporation
Seiko Epson Corporation web Config
Type Values Removed Values Added
Description Stack-based buffer overflow vulnerability exists in SEIKO EPSON Web Config. Specially crafted data input by a logged-in user may execute arbitrary code. As for the details of the affected products and versions, see the information provided by the vendor under [References].
Weaknesses CWE-121
References
Metrics cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Dec 22, 2025, 2:27 AM
Reserved
Dec 10, 2025, 6:27 AM
Status
Deferred
Published
Dec 16, 2025, 7:15 AM
Modified
Oct 7, 2026, 7:10 PM