Vulnerability · Published Dec 16, 2025 · Assigned by jpcert
CVE-2025-66635
High 7.2
In plain English
A high-severity stack buffer overflow in Web Config from SEIKO EPSON CORPORATION. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.0)7.2High
Exploit odds (30 days)0.5%top 54.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SEIKO EPSON CORPORATION | Web Config | See the information/details provided by the vendor |
Weakness: CWE-121 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H