Published:2025/11/20  Last Updated:2025/11/20

JVNVU#95021911
EPSON WebConfig / Epson Web Control for SEIKO EPSON Projector Products do not restrict excessive authentication attempts

Overview

EPSON WebConfig / Epson Web Control for SEIKO EPSON Projector Products provided by SEIKO EPSON CORPORATION do not restrict excessive authentication attempts.

Products Affected

A wide range of products are affected.
As for the details of affected product names and model numbers, refer to the information provided by the vendor in [Vendor Status].

Description

EPSON WebConfig / Epson Web Control for SEIKO EPSON Projector Products provided by SEIKO EPSON CORPORATION contain the following vulnerability.

  • Improper restriction of excessive authentication attempts (CWE-307)
    • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 9.3
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Base Score 9.8
    • CVE-2025-64310

Impact

An administrative user's password may be identified through a brute force attack.

Solution

Update the firmware
Update the firmware to the latest version according to the information provided by the developer.

Apply the workaround
The developer recommends applying the workaround for the affected products.

For more information, refer to the information provided by the developer.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

SEIKO EPSON CORPORATION reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2025-64310
JVN iPedia