CVE-2022-42779

Local WLAN disruption via buffer over-read

Published Dec 6, 2022 · Updated Apr 23, 2025

Buffer over-read in Unisoc WLAN firmware on affected chipsets running Android 10 through 12 allows local users to interrupt WLAN services. The WLAN driver reads beyond a buffer because an unspecified input boundary lacks a bounds check; Unisoc has not disclosed the affected function or input. The vendor describes the consequence as local interruption of WLAN services and does not disclose whether recovery requires a restart.

CVSS severity5.5
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Unisoc WLAN firmware on affected chipsets running Android 10 through 12 allows local users to interrupt WLAN services. The WLAN driver reads beyond a buffer because an unspecified input boundary lacks a bounds check; Unisoc has not disclosed the affected function or input. The vendor describes the consequence as local interruption of WLAN services and does not disclose whether recovery requires a restart.

The record

CVE
CVE-2022-42779
Published
Dec 6, 2022
Updated
Apr 23, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-125, CWE-126, T1641
Attack vector
local
Privileges
authenticated

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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.6UnisocCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L

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

Weakness, pattern, technique

CWE-125Out-of-bounds Read
CWE-126Buffer Over-read
T1641Device Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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