CVE-2026-7786 CRITICAL

CVE-2026-7786: Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter Use of Hard-coded Credentials

Vendor Jinan Usr Iot Technology Limited (Pusr)
Product USR-W610 RS232/485 to Wi-Fi/Ethernet Converter
Weakness CWE-798 · Hardcoded credentials
Published May 29, 2026
Last update May 29, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter device firmware contains plaintext administrative credentials embedded in the firmware image. These credentials can be extracted through firmware analysis and used to authenticate to device services.

Key dates

02Disclosure timeline

May 29, 2026 CVE published
May 29, 2026 Record updated