5.7
MEDIUM
CVE-2025-20670
Huawei Modem Certificate Validation Bypass Remote Information Disclosure Vulnerability
Description

In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with User execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01334347; Issue ID: MSV-2772.

INFO

Published Date :

May 5, 2025, 3:15 a.m.

Last Modified :

May 12, 2025, 6:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2025-20670 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 mt8675
19 Mediatek mt8791
20 Mediatek mt8791t
21 Mediatek mt8797
22 Mediatek mt6983
23 Mediatek mt8667
24 Mediatek mt8673
25 Mediatek mt8765
26 Mediatek mt8766
27 Mediatek mt8768
28 Mediatek mt8781
29 Mediatek mt8786
30 Mediatek mt8788
31 Mediatek mt8789
32 Mediatek mt8798
33 Mediatek mt8676
34 Mediatek mt8678
35 Mediatek mt8666
36 Mediatek mt8771
37 Mediatek mt8795t
38 Mediatek mt2737
39 Mediatek nr17r
40 Mediatek mt6835t
41 Mediatek mt6878m
42 Mediatek mt6895tt
43 Mediatek mt6899
44 Mediatek mt6989t
45 Mediatek mt6991
46 Mediatek mt8788e
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-2025-20670.

URL Resource
https://corp.mediatek.com/product-security-bulletin/May-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-2025-20670 vulnerability anywhere in the article.

  • Cyber Security News
MediaTek Patches Multiple Vulnerabilities Affecting Tablets, Smartphones & TV Chipsets

MediaTek has released critical security patches addressing six significant vulnerabilities affecting a wide range of devices powered by their chipsets. The vulnerabilities, disclosed in the company’s ... Read more

Published Date: May 05, 2025 (2 weeks, 6 days ago)
  • Daily CyberSecurity
MediaTek May 2025 Security Bulletin: Chipset Vulnerabilities Disclosed

The MediaTek Product Security Bulletin for May 2025 highlights multiple security vulnerabilities affecting a wide range of MediaTek-powered devices, including smartphones, tablets, AIoT platforms, sma ... Read more

Published Date: May 05, 2025 (2 weeks, 6 days ago)

The following table lists the changes that have been made to the CVE-2025-20670 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.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 12, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
  • Initial Analysis by [email protected]

    May. 06, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
    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:mt8765:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8789:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8666:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8667:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8675:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8771:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:* 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:mt6886:-:*:*:*:*:*:*:* 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:mt6983t:-:*:*:*:*:*:*:* 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:mt8791t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8795t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788e:-:*:*:*:*:*:*:*
    Added Reference Type MediaTek, Inc.: https://corp.mediatek.com/product-security-bulletin/May-2025 Types: Vendor Advisory
  • New CVE Received by [email protected]

    May. 05, 2025

    Action Type Old Value New Value
    Added Description In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with User execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01334347; Issue ID: MSV-2772.
    Added CWE CWE-295
    Added Reference https://corp.mediatek.com/product-security-bulletin/May-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-2025-20670 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-2025-20670 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: May. 26, 2025 4:30