CVE-2025-20735

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-20735
StatePUBLISHED
AssignerMediaTek
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-04 07:15:40 UTC
Updated2026-06-17 08:41:57 UTC
DescriptionIn wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435349; Issue ID: MSV-4051.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001460000 probability, percentile 0.034230000 (date 2026-10-18)

Problem Types: CWE-122 | CWE-787 | CWE-122 CWE-122 Heap Overflow

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Mediatek Mt6890 - All All All
Hardware Mediatek Mt7615 - All All All
Hardware Mediatek Mt7622 - All All All
Hardware Mediatek Mt7663 - All All All
Hardware Mediatek Mt7915 - All All All
Hardware Mediatek Mt7916 - All All All
Hardware Mediatek Mt7981 - All All All
Hardware Mediatek Mt7986 - All All All
Application Mediatek Software Development Kit All All All All
Operating System Openwrt Openwrt 19.07.0 - All All
Operating System Openwrt Openwrt 21.02.0 - All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA MediaTek Inc. MT6890 MT7615 MT7622 MT7663 MT7915 MT7916 MT7981 MT7986 affected SDK release 7.6.7.2 and before / openWRT 19.07, 21.02 Not specified

References

ReferenceSourceLinkTags
corp.mediatek.com/product-security-bulletin/November-2025 [email protected] corp.mediatek.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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