PT-2026-44970 · Jinan Usr Iot Technology Limited · Usr-W610

Arun Mane + 1 · CVE-2026-7786 · Published 2026-05-29 · Updated 2026-07-21

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions USR-W610 (affected versions not specified)

Description The firmware of the Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter contains hard-coded administrative credentials stored in plaintext. These credentials can be extracted via firmware analysis and used to authenticate to device services, allowing an unauthenticated remote attacker to gain full administrative access and completely compromise the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2026-7786

Affected Products

Usr-W610

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-7786 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-02.json · Note
• https://t.me/CVEtracker/55290 · Telegram Post
• https://cisa.gov/news-events/ics-advisories/icsa-26-148-02 · Note
• https://twitter.com/UpwindMDR/status/2060622145001009593 · Twitter Post
• https://t.me/cveNotify/209468 · Telegram Post
• https://twitter.com/CVEnew/status/2061216679057670521 · Twitter Post
• https://t.me/cveNotify/168546 · Telegram Post