Wi-Fi Router Vulnerability Affecting Multiple Vendors
CVE-2026-26048

7.5HIGH

Key Information:

Vendor

Jinan Usr Iot Technology Limited (pusr)

Status
Usr-w610
Vendor
CVE Published:
20 February 2026

What is CVE-2026-26048?

A security weakness in certain Wi-Fi routers permits de-authentication attacks due to a lack of management frame protection. This vulnerability allows attackers to send forged de-authentication and disassociation frames, leading to unauthorized network disruptions and potential denial-of-service conditions. Organizations utilizing affected Wi-Fi routers should implement measures to enhance frame protection and mitigate the risk of this vulnerability.

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Affected Version(s)

USR-W610 0 <= 3.1.1.0

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-0...
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abhishek Pandey and Ranit Pradhan of Payatu Security Consulting reported this to CISA.
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