MediaTek MT8798 seninf double free

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in MediaTek MT6878, MT6897, MT6899, MT6985, MT6989, MT6991, MT6993, MT8792, MT8796 and MT8798 and classified as critical. Affected by this vulnerability is an unknown functionality of the component seninf. Executing a manipulation can lead to double free. This vulnerability appears as CVE-2025-20801. The attack requires local access. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6878, MT6897, MT6899, MT6985, MT6989, MT6991, MT6993, MT8792, MT8796 and MT8798. It has been declared as critical. This vulnerability affects an unknown code of the component seninf. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In seninf, there is a possible memory corruption due to a race condition. 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: ALPS10251210; Issue ID: MSV-4926.

The advisory is available at corp.mediatek.com. This vulnerability was named CVE-2025-20801 since 11/01/2024. The exploitation appears to be difficult. Local access is required to approach this attack. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available.

Applying the patch ALPS10251210 is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.0
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / 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: ALPS10251210

Timelineinfo

11/01/2024 CVE reserved
01/06/2026 +431 days Advisory disclosed
01/06/2026 +0 days VulDB entry created
03/30/2026 +83 days VulDB entry last update

Sourcesinfo

Advisory: MSV-4926
Status: Confirmed

CVE: CVE-2025-20801 (🔒)
GCVE (CVE): GCVE-0-2025-20801
GCVE (VulDB): GCVE-100-339658

Entryinfo

Created: 01/06/2026 03:22
Updated: 03/30/2026 14:34
Changes: 01/06/2026 03:22 (55), 03/30/2026 14:34 (11)
Complete: 🔍
Cache ID: 216::103

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