In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00467553; Issue ID: MSV-5151.

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History

Mon, 02 Mar 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6890
Mediatek mt7915
Mediatek mt7916
Mediatek mt7981
Mediatek mt7986
Mediatek software Development Kit
Openwrt
Openwrt openwrt
CPEs cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:23.05.0:-:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6890
Mediatek mt7915
Mediatek mt7916
Mediatek mt7981
Mediatek mt7986
Mediatek software Development Kit
Openwrt
Openwrt openwrt

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 02 Mar 2026 09:00:00 +0000

Type Values Removed Values Added
Description In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00467553; Issue ID: MSV-5151.
Weaknesses CWE-787
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-03-03T04:55:59.512Z

Reserved: 2025-11-03T01:30:59.011Z

Link: CVE-2026-20430

cve-icon Vulnrichment

Updated: 2026-03-02T13:38:43.828Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-02T09:16:16.323

Modified: 2026-03-02T22:05:08.293

Link: CVE-2026-20430

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-03T08:45:48Z

Weaknesses