MediaTek MT7603/MT7615/MT7622/MT7915 up to 7.4.0.1 WLAN AP Driver out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.34

Summaryinfo

A vulnerability, which was classified as critical, was found in MediaTek MT7603, MT7615, MT7622 and MT7915 up to 7.4.0.1. The affected element is an unknown function of the component WLAN AP Driver. The manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2025-20633. The attack can be executed remotely. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in MediaTek MT7603, MT7615, MT7622 and MT7915 up to 7.4.0.1. Affected is some unknown functionality of the component WLAN AP Driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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: WCNCR00400889; Issue ID: MSV-2491.

The advisory is available at corp.mediatek.com. This vulnerability is traded as CVE-2025-20633 since 11/01/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Applying the patch WCNCR00400889 is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: WCNCR00400889

Timelineinfo

11/01/2024 🔍
02/03/2025 +94 days 🔍
02/03/2025 +0 days 🔍
03/19/2025 +44 days 🔍

Sourcesinfo

Advisory: MSV-2491
Status: Confirmed

CVE: CVE-2025-20633 (🔍)
GCVE (CVE): GCVE-0-2025-20633
GCVE (VulDB): GCVE-100-294366

Entryinfo

Created: 02/03/2025 06:28
Updated: 03/19/2025 03:13
Changes: 02/03/2025 06:28 (57), 03/19/2025 03:13 (12)
Complete: 🔍
Cache ID: 216::103

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