CVE-2025-20704

Published: Sep 1, 2025Modified: Jun 17, 2026

8.0

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.1 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01516959; Issue ID: MSV-3502.

Affected (2)

Products: Mediatek: Nr17, Nr17r

Mediatek

2 products

Nr17

Nr17r

Configuration A

2 vulnerable · 14 platform

Vulnerable Software	Affected Versions
Mediatek Nr17	All versions
Mediatek Nr17r	All versions

Running on/with	Platform Versions
Mediatek Mt6813	All versions
Mediatek Mt6835	All versions
Mediatek Mt6835t	All versions
Mediatek Mt6878	All versions
Mediatek Mt6878m	All versions
Mediatek Mt6897	All versions
Mediatek Mt6899	All versions
Mediatek Mt6991	All versions
Mediatek Mt8676	All versions
Mediatek Mt8678	All versions
Mediatek Mt8792	All versions
Mediatek Mt8863	All versions
Mediatek Mt8873	All versions
Mediatek Mt8883	All versions

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

https://corp.mediatek.com/product-security-bulletin/September-2025

Source: security@mediatek.com

Vendor Advisory

Timeline

No history available yet.