In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 / WCNCR00463309; Issue ID: MSV-4852.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Mediatek
  • Mt6890
  • Mt6989tb
  • Mt7902
  • Mt7915
  • Mt7916
  • Mt7920
  • Mt7921
  • Mt7922
  • Mt7925
  • Mt7927
  • Mt7981
  • Mt7986
  • Mt8196
  • Mt8668
  • Mt8676
  • Mt8678
  • Mt8775
  • Mt8791t
  • Mt8792
  • Mt8793
  • Mt8796
  • Mt8873
  • Mt8883
  • Mt8893
  • Mt8910
  • Nbiot Sdk
  • Software Development Kit
Openwrt
  • Openwrt

Configuration 1 [-]

AND
OR cpe:2.3:a:mediatek:nbiot_sdk:*:*:*:*:*:*:*:*
cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
OR cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989tb:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND
OR cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://corp.mediatek.com/product-security-bulletin/February-2026 cve-icon cve-icon
History

Tue, 03 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6890
Mediatek mt6989tb
Mediatek mt7902
Mediatek mt7915
Mediatek mt7916
Mediatek mt7920
Mediatek mt7921
Mediatek mt7922
Mediatek mt7925
Mediatek mt7927
Mediatek mt7981
Mediatek mt7986
Mediatek mt8196
Mediatek mt8668
Mediatek mt8676
Mediatek mt8678
Mediatek mt8775
Mediatek mt8791t
Mediatek mt8792
Mediatek mt8793
Mediatek mt8796
Mediatek mt8873
Mediatek mt8883
Mediatek mt8893
Mediatek mt8910
Mediatek nbiot Sdk
Mediatek software Development Kit
Openwrt
Openwrt openwrt
CPEs cpe:2.3:a:mediatek:nbiot_sdk:*:*:*:*:*:*:*:*
cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989tb:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6890
Mediatek mt6989tb
Mediatek mt7902
Mediatek mt7915
Mediatek mt7916
Mediatek mt7920
Mediatek mt7921
Mediatek mt7922
Mediatek mt7925
Mediatek mt7927
Mediatek mt7981
Mediatek mt7986
Mediatek mt8196
Mediatek mt8668
Mediatek mt8676
Mediatek mt8678
Mediatek mt8775
Mediatek mt8791t
Mediatek mt8792
Mediatek mt8793
Mediatek mt8796
Mediatek mt8873
Mediatek mt8883
Mediatek mt8893
Mediatek mt8910
Mediatek nbiot Sdk
Mediatek software Development Kit
Openwrt
Openwrt openwrt

Mon, 02 Feb 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 02 Feb 2026 08:30:00 +0000

Type Values Removed Values Added
Description In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 / WCNCR00463309; Issue ID: MSV-4852.
Weaknesses CWE-754
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-02-02T08:16:46.837Z

Updated: 2026-02-02T13:45:12.946Z

Reserved: 2025-11-03T01:30:59.009Z

Link: CVE-2026-20419

cve-icon Vulnrichment

Updated: 2026-02-02T13:45:02.991Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-02T09:15:56.990

Modified: 2026-02-03T21:27:13.077

Link: CVE-2026-20419

cve-icon Redhat

No data.