9.8
CRITICAL
CVE-2025-20634
Qualcomm Modem Out-of-Bounds Write Remote Code Execution Vulnerability
Description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01289384; Issue ID: MSV-2436.

INFO

Published Date :

Feb. 3, 2025, 4:15 a.m.

Last Modified :

Feb. 3, 2025, 6:17 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2025-20634 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mediatek nr16
2 Mediatek nr17
3 Mediatek mt6813
4 Mediatek mt6835
5 Mediatek mt6878
6 Mediatek mt6879
7 Mediatek mt6886
8 Mediatek mt6895
9 Mediatek mt6896
10 Mediatek mt6897
11 Mediatek mt6980
12 Mediatek mt6980d
13 Mediatek mt6983t
14 Mediatek mt6985
15 Mediatek mt6985t
16 Mediatek mt6989
17 Mediatek mt6990
18 Mediatek mt6983
19 Mediatek mt8673
20 Mediatek mt8798
21 Mediatek mt8676
22 Mediatek mt8678
23 Mediatek mt8795t
24 Mediatek mt2737
25 Mediatek nr17r
26 Mediatek mt6835t
27 Mediatek mt6878m
28 Mediatek mt6895tt
29 Mediatek mt6899
30 Mediatek mt6989t
31 Mediatek mt6991
32 Mediatek mt8863
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-20634.

URL Resource
https://corp.mediatek.com/product-security-bulletin/February-2025 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-20634 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-20634 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 03, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:mediatek:nr16:-:*:*:*:*:*:*:* *cpe:2.3:o:mediatek:nr17:-:*:*:*:*:*:*:* *cpe:2.3:o:mediatek:nr17r:-:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6835t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6878m:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895tt:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6896:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6980:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6980d:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6989t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8673:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8795t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8863:-:*:*:*:*:*:*:*
    Changed Reference Type https://corp.mediatek.com/product-security-bulletin/February-2025 No Types Assigned https://corp.mediatek.com/product-security-bulletin/February-2025 Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 03, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
  • New CVE Received by [email protected]

    Feb. 03, 2025

    Action Type Old Value New Value
    Added Description In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01289384; Issue ID: MSV-2436.
    Added CWE CWE-787
    Added Reference https://corp.mediatek.com/product-security-bulletin/February-2025
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-20634 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-20634 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability