CVE-2026-26048

Wi-Fi service disruption via forged management frames

Published Feb 20, 2026 · Updated Feb 20, 2026

Wi-Fi denial of service in Jinan USR IOT Technology Limited USR-W610 3.1.1.0 and earlier allows attackers to interrupt wireless service. The wireless interface omits Management Frame Protection and accepts forged deauthentication and disassociation management frames without authentication. An attacker within Wi-Fi radio range can disconnect associated clients and repeatedly interrupt wireless communications.

CVSS severity7.5
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Wi-Fi denial of service in Jinan USR IOT Technology Limited USR-W610 3.1.1.0 and earlier allows attackers to interrupt wireless service. The wireless interface omits Management Frame Protection and accepts forged deauthentication and disassociation management frames without authentication. An attacker within Wi-Fi radio range can disconnect associated clients and repeatedly interrupt wireless communications.

The record

CVE
CVE-2026-26048
Published
Feb 20, 2026
Updated
Feb 20, 2026
Vendor
Jinan USR IOT Technology Limited
Product
USR-W610
Classifications
CWE-306, T1498
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.1.1.0

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Jinan USR IOT Technology Limited · USR-W610version=0 <=3.1.1.0

Published CVSS scores

7.5ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1498Network Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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