CVE-2024-20068Network attack vector

Remote modem crash via out-of-bounds write

Published Jun 3, 2024 · Updated Nov 21, 2024

Out-of-bounds write in MediaTek Modem NR16 and NR17 allows remote attackers to crash affected devices via malformed network input. The modem writes beyond a buffer after improperly validating untrusted input; MediaTek has not disclosed the responsible routine or message format. No privileges or user interaction are required; successful exploitation crashes the modem and interrupts modem service, while the exact reachability condition remains undisclosed.

CVSS severity5.9
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in MediaTek Modem NR16 and NR17 allows remote attackers to crash affected devices via malformed network input. The modem writes beyond a buffer after improperly validating untrusted input; MediaTek has not disclosed the responsible routine or message format. No privileges or user interaction are required; successful exploitation crashes the modem and interrupts modem service, while the exact reachability condition remains undisclosed.

The record

CVE
CVE-2024-20068
Published
Jun 3, 2024
Updated
Nov 21, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1642
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2024Record 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 vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.9CISA-ADPCVSS:3.1/AV:N/AC:H/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1642Endpoint 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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