MediaTek MT7915/MT7916/MT7981/MT7986 WLAN AP Driver uncaught exception

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in MediaTek MT7915, MT7916, MT7981 and MT7986. This affects an unknown function of the component WLAN AP Driver. The manipulation leads to uncaught exception. This vulnerability is referenced as CVE-2025-20663. The attack needs to be initiated within the local network. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT7915, MT7916, MT7981 and MT7986 (version now known) and classified as problematic. This issue affects some unknown processing of the component WLAN AP Driver. The manipulation with an unknown input leads to a uncaught exception vulnerability. Using CWE to declare the problem leads to CWE-248. An exception is thrown from a function, but it is not caught. Impacted is confidentiality. The summary by CVE is:

In wlan AP driver, there is a possible information disclosure due to an uncaught exception. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00408868; Issue ID: MSV-3031.

It is possible to read the advisory at corp.mediatek.com. The identification of this vulnerability is CVE-2025-20663 since 11/01/2024. The exploitation is known to be easy. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Applying the patch MSV-3031 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-9965). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Uncaught exception
CWE: CWE-248
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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-3031

Timelineinfo

11/01/2024 🔍
04/07/2025 +156 days 🔍
04/07/2025 +0 days 🔍
10/04/2025 +180 days 🔍

Sourcesinfo

Advisory: MSV-3031
Status: Confirmed

CVE: CVE-2025-20663 (🔍)
GCVE (CVE): GCVE-0-2025-20663
GCVE (VulDB): GCVE-100-303575
EUVD: 🔍

Entryinfo

Created: 04/07/2025 07:39
Updated: 10/04/2025 20:06
Changes: 04/07/2025 07:39 (55), 10/04/2025 20:06 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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