MediaTek MT7986 WLAN AP Driver out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981 and MT7986. It has been rated as problematic. This affects an unknown part of the component WLAN AP Driver. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2025-20690. The attack needs to be approached locally. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in MediaTek MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981 and MT7986. This affects an unknown function of the component WLAN AP Driver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. The summary by CVE is:

In wlan AP driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418038; Issue ID: MSV-3478.

The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2025-20690 since 11/01/2024. The exploitability is told to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Applying the patch MSV-3478 is able to eliminate this problem.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: MSV-3478

Timelineinfo

11/01/2024 CVE reserved
07/08/2025 +248 days Advisory disclosed
07/08/2025 +0 days VulDB entry created
07/08/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: MSV-3478
Status: Confirmed

CVE: CVE-2025-20690 (🔒)
GCVE (CVE): GCVE-0-2025-20690
GCVE (VulDB): GCVE-100-315273

Entryinfo

Created: 07/08/2025 07:31
Changes: 07/08/2025 07:31 (56)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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