MediaTek MT8698 aee Daemon double free

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.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in MediaTek MT2718, MT2737, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6893, MT6895, MT6897, MT6899, MT6980D, MT6983, MT6985, MT6989, MT6990, MT6991, MT8113, MT8115, MT8139, MT8163, MT8168, MT8169, MT8183, MT8186, MT8188, MT8512, MT8516, MT8518, MT8519, MT8532, MT8676, MT8678, MT8695, MT8696 and MT8698. This issue affects some unknown processing of the component aee Daemon. Such manipulation leads to double free. This vulnerability is documented as CVE-2025-20765. The attack needs to be performed locally. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in MediaTek MT2718, MT2737, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6893, MT6895, MT6897, MT6899, MT6980D, MT6983, MT6985, MT6989, MT6990, MT6991, MT8113, MT8115, MT8139, MT8163, MT8168, MT8169, MT8183, MT8186, MT8188, MT8512, MT8516, MT8518, MT8519, MT8532, MT8676, MT8678, MT8695, MT8696 and MT8698 and classified as problematic. Affected by this issue is some unknown functionality of the component aee Daemon. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability. CVE summarizes:

In aee daemon, there is a possible system crash due to a race condition. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10190802; Issue ID: MSV-4833.

The advisory is available at corp.mediatek.com. This vulnerability is handled as CVE-2025-20765 since 11/01/2024. The exploitation is known to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Applying the patch ALPS10190802 is able to eliminate this problem.

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

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔒

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: ALPS10190802

Timelineinfo

11/01/2024 CVE reserved
12/02/2025 +396 days Advisory disclosed
12/02/2025 +0 days VulDB entry created
12/02/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: MSV-4833
Status: Confirmed

CVE: CVE-2025-20765 (🔒)
GCVE (CVE): GCVE-0-2025-20765
GCVE (VulDB): GCVE-100-333986

Entryinfo

Created: 12/02/2025 07:56
Changes: 12/02/2025 07:56 (55)
Complete: 🔍
Cache ID: 216::103