CVE-2025-20686

highpriority · track · 0EPSS 0.004 · 30 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (30th) EPSS

CVSS 8.8 · high

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00415570; Issue ID: MSV-3404.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USCWE-122US

affected products (10)

Products and version ranges known to be affected.

MediaTek, Inc. MT6890, MT7915, MT7916, MT7981, MT7986≤ SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)enisa_euvdEU
MediaTek Inc. MT6890≤ 19.07fstec_bduRU
MediaTek Inc. MT6890≤ 21.02fstec_bduRU
MediaTek Inc. MT7915≤ 7.6.7.2fstec_bduRU
MediaTek Inc. MT7916≤ 7.6.7.2fstec_bduRU
MediaTek Inc. MT7981≤ 7.6.7.2fstec_bduRU
MediaTek Inc. MT7986≤ 7.6.7.2fstec_bduRU
mediatek software development kit≤ 7.6.7.2nvdUScpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
openwrt openwrt= 19.07.0nvdUScpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*
openwrt openwrt= 21.02.0nvdUScpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2025-07-08modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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