MediaTek MT9972 PlayReady TA out-of-bounds

HistoryDiffrelatejsonxmlCTI

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaTek MT9972 and classified as critical. This affects an unknown part of the component PlayReady TA. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2025-20660. The attack needs to be launched locally. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in MediaTek MT9972 (the affected version is unknown). This vulnerability affects an unknown code of the component PlayReady TA. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In PlayReady TA, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: DTV04436357; Issue ID: MSV-3186.

The advisory is shared for download at corp.mediatek.com. This vulnerability was named CVE-2025-20660 since 11/01/2024. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Applying the patch MSV-3186 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-9969). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

MT9972

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MSV-3186

Timelineinfo

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

Sourcesinfo

Advisory: MSV-3186
Status: Confirmed

CVE: CVE-2025-20660 (🔍)
GCVE (CVE): GCVE-0-2025-20660
GCVE (VulDB): GCVE-100-303580
EUVD: 🔍

Entryinfo

Created: 04/07/2025 07:40
Updated: 10/04/2025 18:29
Changes: 04/07/2025 07:40 (56), 10/04/2025 18:29 (1)
Complete: 🔍
Cache ID: 216::103