CVE-2024-20094Network attack vector

Remote modem crash via unchecked input bounds

Published Oct 7, 2024 · Updated Oct 7, 2024

Reachable assertion in MediaTek Modem NR15 on affected chipsets allows remote attackers to crash the modem via crafted input. The modem processes attacker-controlled input without a required bounds check, allowing an out-of-range condition to reach an assertion. No privileges or user interaction are required, and the documented consequence is a system crash that interrupts modem service.

CVSS severity7.5
High
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reachable assertion in MediaTek Modem NR15 on affected chipsets allows remote attackers to crash the modem via crafted input. The modem processes attacker-controlled input without a required bounds check, allowing an out-of-range condition to reach an assertion. No privileges or user interaction are required, and the documented consequence is a system crash that interrupts modem service.

The record

CVE
CVE-2024-20094
Published
Oct 7, 2024
Updated
Oct 7, 2024
Vendor
MediaTek
Product
MT6889
Classifications
CWE-617, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 7, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MediaTek · MT6889version=0 <=*
MediaTek · MT6880version=0 <=*
MediaTek · MT6875version=0 <=*
MediaTek · MT8771version=0 <=*
MediaTek · MT6891version=0 <=*
MediaTek · MT6890version=0 <=*
MediaTek · MT6855version=0 <=*
MediaTek · MT2735version=0 <=*
MediaTek · MT6893version=0 <=*
MediaTek · MT6885version=0 <=*
MediaTek · MT8791Tversion=0 <=*
MediaTek · MT6873version=0 <=*
MediaTek · MT8791version=0 <=*
MediaTek · MT6877version=0 <=*
MediaTek · MT8675version=0 <=*
MediaTek · MT6853version=0 <=*
MediaTek · MT6875Tversion=0 <=*
MediaTek · MT6883version=0 <=*
MediaTek · MT6833version=0 <=*
MediaTek · MT8797version=0 <=*

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-617Reachable Assertion
T1499.004Application or System Exploitation

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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