CVE-2022-27660Public exploit

Guest Wi-Fi disablement via unauthenticated configuration message

Published Aug 5, 2022 · Updated Apr 15, 2025

Denial of service in TCL LINKHUB Mesh Wi-Fi AC1200 MS1G_00_01.00_14 allows remote attackers on its network to disable guest Wi-Fi. The confctl_set_guest_wlan handler accepts unauthenticated ProtoBuffer messages on port 9003 and applies attacker-controlled enable and from_app fields to guest-network configuration. Access to the wired or primary wireless network is required; exploitation disables guest wireless service rather than crashing or rebooting the router.

CVSS severity9.3
Critical
EPSS probability1.01%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in TCL LINKHUB Mesh Wi-Fi AC1200 MS1G_00_01.00_14 allows remote attackers on its network to disable guest Wi-Fi. The confctl_set_guest_wlan handler accepts unauthenticated ProtoBuffer messages on port 9003 and applies attacker-controlled enable and from_app fields to guest-network configuration. Access to the wired or primary wireless network is required; exploitation disables guest wireless service rather than crashing or rebooting the router.

The record

CVE
CVE-2022-27660
Published
Aug 5, 2022
Updated
Apr 15, 2025
Vendor
TCL
Product
TCL LINKHUB Mesh Wi-Fi AC1200
Classifications
CWE-284, T1499
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 5, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 2025Record 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=MS1G_00_01.00_14

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

TCL · TCL LINKHUB Mesh Wi-Fi AC1200version=MS1G_00_01.00_14

Published CVSS scores

9.3Cisco TalosCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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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 exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1499Endpoint Denial of Service

Public exploit references

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Technologies

Your stack

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Your stack

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