Global infos:

The Dexp Z250 Android device with a build fingerprint of DEXP/Z250/Z250:8.1.0/O11019/1531130719:user/release-keys contains a pre-installed app with a package name of com.mediatek.wfo.impl app (versionCode=27, versionName=8.1.0) that allows any app co-located on the device to modify a system property through an exported interface without proper authorization.

CVE Status: Modified

References:

[email protected]

af854a3a-2127-422b-91ae-364da2661108

Metrics:

Attribute	Value
Attack Complexity	LOW
Attack Vector	LOCAL
Availability Impact	NONE
Base Score	5.5
Base Severity	MEDIUM
Confidentiality Impact	NONE
Integrity Impact	HIGH
Privileges Required	LOW
Scope	UNCHANGED
User Interaction	NONE
Vector String	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploitability Score	1.8
Impact Score	3.6
Source	[email protected]
Type	Primary

Links:

Exploit-db
Github