vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-66635

HIGH
8.6
CVSS Score
Published: December 16, 2025 at 06:59 AM UTC
Updated: October 7, 2026 at 07:10 PM UTC
1 product affected across 1 vendorWeb Config

Using Web Config by SEIKO EPSON CORPORATION?

Get instant alerts when new vulnerabilities affect Web Config - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.6
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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].

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://www.epson.jp/support/misc_t/251216_oshirase.htm
Source: cverecord
https://jvn.jp/en/jp/JVN51846148/
Source: cverecord
https://epson.com/Support/wa00971

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHjpcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card