CVE-2025-66635: seiko epson corporation web config Stack-based Buffer Overflow
CVSS: 8.6v4.0HighDeferred
Published 16-12-2025Last modified 22-12-2025
Vulnerability summary
CVE-2025-66635 is a high (CVSS 8.6) Stack-based Buffer Overflow vulnerability in seiko epson corporation web config. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 44.1% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v4.0 (CVE.org)EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-12-2025PublishedVulnerability first disclosed.
- 22-12-2025Last modifiedVulnerability information updated.
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].
CVSS metrics
4 scores · 2 sources · 2 versionsHigh 8.6Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST8.6HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
High 7.2Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.2HighCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
0.00 pp
From 0.53% on 21-09-2026
21-09-202621-10-2026
EPSS score0.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Seiko epson corporation1 product
- web configSee the information/details provided by the vendor
1 vendor · 1 product