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].

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00101.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SEIKO EPSON CORPORATION Web Config affected
Version Status Constraints
See the information/details provided by the vendor affected —

No data.

No data.

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Vendors Products
Seiko Epson Corporation Subscribe
Web Config Subscribe

Project Subscriptions

Vendors Products
Seiko Epson Corporation Subscribe
Web Config Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://epson.com/Support/wa00971 cve-icon cve-icon
https://jvn.jp/en/jp/JVN51846148/ cve-icon cve-icon
https://www.epson.jp/support/misc_t/251216_oshirase.htm cve-icon cve-icon
History

Mon, 22 Dec 2025 02:45:00 +0000

Type Values Removed Values Added
References

Tue, 16 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 16 Dec 2025 17:15:00 +0000

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

Tue, 16 Dec 2025 07:15:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2025-12-22T02:27:45.711Z

Reserved: 2025-12-10T06:27:24.088Z

Link: CVE-2025-66635

cve-icon Vulnrichment

Updated: 2025-12-16T21:32:40.850Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-16T07:15:54.480

Modified: 2025-12-22T03:15:47.493

Link: CVE-2025-66635

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-16T17:09:25Z

Weaknesses