Medium severity · published Nov 4, 2025
CVE-2025-20730
In preloader, there is a possible escalation of privilege due to an insecure default value
6.7
CVSS
0.1%
EPSS
No
On KEV
Description
In preloader, there is a possible escalation of privilege due to an insecure default value. 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: ALPS10068463; Issue ID: MSV-4141.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
13.0; 14.0; 15.0; 16.0 · source: NVD
MM
MT2737, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6990, MT6991, MT8188, MT8195, MT8676, MT8678, MT8696 · MediaTek, Inc.
Android 13.0, 14.0, 15.0, 16.0 / openWRT 21.02, 23.05 / Yocto 4.0 / RDK-B 24Q1 · source: vendor
OP
Openwrt · Openwrt
21.02.0; 23.05.0 · source: NVD
RD
Rdk-b · Rdkcentral
2024q1 · source: NVD
YO
Yocto · Linuxfoundation
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20730
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20730
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/November-2025
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