8.8
HIGH
CVE-2024-20040
Synaptics WirelessLAN Firmware Out-of-Bounds Write Remote Privilege Escalation
Description

In wlan firmware, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08360153 (for MT6XXX chipsets) / WCNCR00363530 (for MT79XX chipsets); Issue ID: MSV-979.

INFO

Published Date :

April 1, 2024, 3:15 a.m.

Last Modified :

April 23, 2025, 1:48 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2024-20040 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 mt6781
2 Mediatek mt6789
3 Mediatek mt6833
4 Mediatek mt6853
5 Mediatek mt6853t
6 Mediatek mt6855
7 Mediatek mt6873
8 Mediatek mt6875
9 Mediatek mt6877
10 Mediatek mt6879
11 Mediatek mt6883
12 Mediatek mt6885
13 Mediatek mt6886
14 Mediatek mt6889
15 Mediatek mt6890
16 Mediatek mt6891
17 Mediatek mt6893
18 Mediatek mt6895
19 Mediatek mt6985
20 Mediatek mt6989
21 Mediatek mt6990
22 Mediatek mt8791t
23 Mediatek mt8797
24 Mediatek mt2713
25 Mediatek mt6761
26 Mediatek mt6762
27 Mediatek mt6768
28 Mediatek mt6983
29 Mediatek mt8673
30 Mediatek mt8781
31 Mediatek mt8798
32 Mediatek mt8188
33 Mediatek mt8195
34 Mediatek mt6580
35 Mediatek mt8390
36 Mediatek mt8395
37 Mediatek mt8678
38 Mediatek mt8792
39 Mediatek mt8796
40 Mediatek mt7902
41 Mediatek mt7921
42 Mediatek mt8518s
43 Mediatek mt8532
44 Mediatek mt7927
45 Mediatek mt7915
46 Mediatek mt7920
47 Mediatek mt7922
48 Mediatek mt7916
49 Mediatek mt7986
50 Mediatek mt7981
51 Mediatek mt8370
52 Mediatek mt7925
1 Google android
1 Linux linux_kernel
1 Openwrt openwrt
1 Linuxfoundation yocto
1 Rdkcentral rdk-b
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-2024-20040.

URL Resource
https://corp.mediatek.com/product-security-bulletin/April-2024 Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/April-2024 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-2024-20040 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-20040 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]

    Apr. 23, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* *cpe:2.3:a:linuxfoundation:yocto:3.3:*:*:*:*:*:*:* *cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* *cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:* *cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:a:rdkcentral:rdk-b:2022q3:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.19:-:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6580:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8518s:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8532:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8673:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt2713:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
    Added Reference Type CVE: https://corp.mediatek.com/product-security-bulletin/April-2024 Types: Vendor Advisory
    Added Reference Type MediaTek, Inc.: https://corp.mediatek.com/product-security-bulletin/April-2024 Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 13, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://corp.mediatek.com/product-security-bulletin/April-2024
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by [email protected]

    Apr. 01, 2024

    Action Type Old Value New Value
    Added Description In wlan firmware, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08360153 (for MT6XXX chipsets) / WCNCR00363530 (for MT79XX chipsets); Issue ID: MSV-979.
    Added Reference MediaTek, Inc. https://corp.mediatek.com/product-security-bulletin/April-2024 [No types assigned]
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-2024-20040 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-2024-20040 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Apr. 26, 2025 3:35