Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter

p a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-148-02.json" strong View CSAF /strong /a /p h2 Summary /h2 p strong Successful exploitation of this vulnerability could result in an attacker gaining administrator access to the device. /strong /p p The following versions of Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter are affected: /p ul li USR-W610 RS232/485 to Wi-Fi/Ethernet Converter 7.03T.07 /li /ul div class="csaf-table" table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap thead tr th role="columnheader" data-tablesaw-priority="persist" CVSS /th th role="columnheader" Vendor /th th role="columnheader" Equipment /th th role="columnheader" Vulnerabilities /th /tr /thead tbody tr td v3 9.8 /td td Jinan USR IOT Technology Limited (PUSR) /td td Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter /td td Use of Hard-coded Credentials /td /tr /tbody /table /div h3 Background /h3 ul li strong Critical Infrastructure Sectors: /strong Critical Manufacturing /li li strong Countries/Areas Deployed: /strong Worldwide /li li strong Company Headquarters Location: /strong China /li /ul hr h2 Vulnerabilities /h2 div class="csaf-accordion" p a class="csaf-accordion-toggle-all" href="#" Expand All + /a /p div class="csaf-accordion-item" h3 a class="csaf-accordion-toggle" href="#" CVE-2026-7786 /a /h3 div class="csaf-accordion-content" p The 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. /p p a href="https://www.cve.org/CVERecord?id=CVE-2026-7786" View CVE Details /a /p hr h4 Affected Products /h4 h5 Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter /h5 div class="ics-vendor-version-status" div class="ics-vendor" strong Vendor: /strong br Jinan USR IOT Technology Limited (PUSR) /div div class="ics-version" strong Product Version: /strong br Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter: 7.03T.07 /div div class="ics-status" strong Product Status: /strong br known_affected /div /div div class="ics-remediations" h6 Remediations /h6 p strong Mitigation /strong br Jinan USR IOT Technology Limited (PUSR) did not respond to CISA's attempts at coordination. Users of PUSR USR-W610 devices are encouraged to contact PUSR and keep their systems up to date. /p /div p strong Relevant CWE: /strong a href="https://cwe.mitre.org/data/definitions/798.html" CWE-798 Use of Hard-coded Credentials /a /p hr h4 Metrics /h4 div class="csaf-table csaf-metrics-table" table class="tablesaw tablesaw-stack" data-tablesaw-mode="stack" data-tablesaw-minimap thead tr th role="columnheader" data-tablesaw-priority="persist" CVSS Version /th th role="columnheader" Base Score /th th role="columnheader" Base Severity /th th ro