CVE-2024-20066Network attack vector

Remote service interruption via incorrect bounds check

Published Jun 3, 2024 · Updated Mar 27, 2025

Out-of-bounds write in MediaTek Modem NR16 and NR17 allows remote attackers to interrupt service through crafted modem input. The modem performs an incorrect bounds check before a write, but MediaTek has not disclosed the affected routine, input field, or write operation. Exploitation requires no privileges or user interaction and can remotely interrupt service; no confidentiality or integrity impact is reported.

CVSS severity7.5
High
EPSS probability0.67%
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 interrupt service through crafted modem input. The modem performs an incorrect bounds check before a write, but MediaTek has not disclosed the affected routine, input field, or write operation. Exploitation requires no privileges or user interaction and can remotely interrupt service; no confidentiality or integrity impact is reported.

The record

CVE
CVE-2024-20066
Published
Jun 3, 2024
Updated
Mar 27, 2025
Vendor
MediaTek
Product
MT6897
Classifications
CWE-787, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=-

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MediaTek · MT6897version=-
MediaTek · MediaTek MT6986version=-
MediaTek · MT8792version=-
MediaTek · MT6813version=-
MediaTek · MT6835version=-
MediaTek · MediaTek MT6986Dversion=-
MediaTek · MT6899version=-
MediaTek · MT6980version=-
MediaTek · MT6990version=-
MediaTek · MT6980Dversion=-
MediaTek · MT8798version=-
MediaTek · MediaTek MT6991version=-
MediaTek · MT6879version=-
MediaTek · MT6815version=-
MediaTek · MT6896version=-
MediaTek · MT6895Tversion=-
MediaTek · MT6298version=-
MediaTek · MediaTek MT6878version=-
MediaTek · MT8673version=-
MediaTek · MT6983version=-
MediaTek · MT6895version=-

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499.004Exploit Public-Facing Application

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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