CVE-2022-42770

Local WLAN service interruption via driver race

Published Dec 6, 2022 · Updated Apr 23, 2025

A race condition in UNISOC WLAN firmware for Android 10 through 12 allows local users to interrupt WLAN services. The vendor identifies improper synchronization in the WLAN driver but does not disclose the shared resource or competing operations. Local device access and an affected UNISOC chipset are required, and successful triggering disrupts WLAN availability.

CVSS severity7.3
High
EPSS probability0.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A race condition in UNISOC WLAN firmware for Android 10 through 12 allows local users to interrupt WLAN services. The vendor identifies improper synchronization in the WLAN driver but does not disclose the shared resource or competing operations. Local device access and an affected UNISOC chipset are required, and successful triggering disrupts WLAN availability.

The record

CVE
CVE-2022-42770
Published
Dec 6, 2022
Updated
Apr 23, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-362
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 6, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.7NIST NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
7.3UNISOCCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
4.7CISA-ADPCVSS:3.1/AV:L/AC:H/PR:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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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