MediaTek MT7981/MT7986 up to 7.6.7.0 uncaught exception

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT7981 and MT7986 up to 7.6.7.0. It has been classified as critical. This impacts an unknown function. Performing a manipulation results in uncaught exception. This vulnerability is cataloged as CVE-2025-20637. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in MediaTek MT7981 and MT7986 up to 7.6.7.0. It has been classified as critical. This affects an unknown code block. The manipulation with an unknown input leads to a uncaught exception vulnerability. CWE is classifying the issue as CWE-248. An exception is thrown from a function, but it is not caught. This is going to have an impact on availability. The summary by CVE is:

In network HW, there is a possible system hang due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00399035; Issue ID: MSV-2380.

The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2025-20637 since 11/01/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Applying the patch MSV-2380 is able to eliminate this problem.

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

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Uncaught exception
CWE: CWE-248
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: MSV-2380

Timelineinfo

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

Sourcesinfo

Advisory: MSV-2380
Status: Confirmed

CVE: CVE-2025-20637 (🔍)
GCVE (CVE): GCVE-0-2025-20637
GCVE (VulDB): GCVE-100-294369

Entryinfo

Created: 02/03/2025 06:50
Changes: 02/03/2025 06:50 (55)
Complete: 🔍
Cache ID: 216::103

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

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