CVE-2022-48389

Local modem denial of service via stack overflow

Published May 9, 2023 · Updated Jan 28, 2025

Stack overflow in the Unisoc modem control device on affected Android 10 chipsets allows local users to interrupt modem service. The modem control device writes beyond a stack buffer because it fails to check an input boundary before copying data. Exploitation requires System execution privileges and can interrupt modem operation; no data disclosure or modification is established.

CVSS severity6.1
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

Stack overflow in the Unisoc modem control device on affected Android 10 chipsets allows local users to interrupt modem service. The modem control device writes beyond a stack buffer because it fails to check an input boundary before copying data. Exploitation requires System execution privileges and can interrupt modem operation; no data disclosure or modification is established.

The record

CVE
CVE-2022-48389
Published
May 9, 2023
Updated
Jan 28, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, CWE-121, T1499
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. May 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 28, 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 privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1UnisocCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H
4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.4CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-121Stack Overflow
T1499Endpoint 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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