CVE-2026-7786

Published: May 29, 2026

Modified: May 29, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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.

Vendor	Product	Versions
Jinan USR IOT Technology Limited (PUSR)	USR-W610 RS232/485 to Wi-Fi/Ethernet Converter	affected `7.03T.07`

Weaknesses (CWE)

CWE-798

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-148-02

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-02.json

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CVE-2026-7786

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References