Back to the CVE list
CVE-2026-20432

Out-of-bounds write in Mediatek Mt2735 Firmware

CVSS score

8.0

EPSS probability

%0.3

Risk score

0.0

Published

6 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

Checking session…

Vulnerability description

DayBreach CVE AI Research

CVE-2026-20432 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

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: MOLY01406170; Issue ID: MSV-4461.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-20432 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1mediatekmt2735 firmware View
2mediatekmt2735 View
3mediatekmt2737 firmware View
4mediatekmt2737 View
5mediatekmt6779 firmware View
6mediatekmt6779 View
7mediatekmt6781 firmware View
8mediatekmt6781 View
9mediatekmt6783 firmware View
10mediatekmt6783 View
11mediatekmt8781 firmware View
12mediatekmt8781 View
13mediatekmt8789 firmware View
14mediatekmt8789 View
15mediatekmt8791 firmware View
16mediatekmt8791 View
17mediatekmt8791t firmware View
18mediatekmt8791t View
19mediatekmt8792 firmware View
20mediatekmt8792 View
21mediatekmt8793 firmware View
22mediatekmt8793 View
23mediatekmt8795t firmware View
24mediatekmt8795t View
25mediatekmt8797 firmware View
26mediatekmt8797 View
27mediatekmt8798 firmware View
28mediatekmt8798 View
29mediatekmt8863 firmware View
30mediatekmt8863 View
31mediatekmt8873 firmware View
32mediatekmt8873 View
33mediatekmt8883 firmware View
34mediatekmt8883 View
35mediatekmt8893 firmware View
36mediatekmt8893 View
37mediatekmt6785 firmware View
38mediatekmt6785 View
39mediatekmt6789 firmware View
40mediatekmt6789 View
41mediatekmt6813 firmware View
42mediatekmt6813 View
43mediatekmt6815 firmware View
44mediatekmt6815 View
45mediatekmt6833 firmware View
46mediatekmt6833 View
47mediatekmt6835 firmware View
48mediatekmt6835 View
49mediatekmt6853 firmware View
50mediatekmt6853 View
51mediatekmt6855 firmware View
52mediatekmt6855 View
53mediatekmt6873 firmware View
54mediatekmt6873 View
55mediatekmt6875 firmware View
56mediatekmt6875 View
57mediatekmt6877 firmware View
58mediatekmt6877 View
59mediatekmt6878 firmware View
60mediatekmt6878 View
61mediatekmt6879 firmware View
62mediatekmt6879 View
63mediatekmt6880 firmware View
64mediatekmt6880 View
65mediatekmt6883 firmware View
66mediatekmt6883 View
67mediatekmt6885 firmware View
68mediatekmt6885 View
69mediatekmt6886 firmware View
70mediatekmt6886 View
71mediatekmt6889 firmware View
72mediatekmt6889 View
73mediatekmt6890 firmware View
74mediatekmt6890 View
75mediatekmt6891 firmware View
76mediatekmt6891 View
77mediatekmt6893 firmware View
78mediatekmt6893 View
79mediatekmt6895 firmware View
80mediatekmt6895 View
81mediatekmt6896 firmware View
82mediatekmt6896 View
83mediatekmt6897 firmware View
84mediatekmt6897 View
85mediatekmt6899 firmware View
86mediatekmt6899 View
87mediatekmt6980 firmware View
88mediatekmt6980 View
89mediatekmt6983 firmware View
90mediatekmt6983 View
91mediatekmt6985 firmware View
92mediatekmt6985 View
93mediatekmt6989 firmware View
94mediatekmt6989 View
95mediatekmt6990 firmware View
96mediatekmt6990 View
97mediatekmt6991 firmware View
98mediatekmt6991 View
99mediatekmt6993 firmware View
100mediatekmt6993 View
101mediatekmt8668 firmware View
102mediatekmt8668 View
103mediatekmt8673 firmware View
104mediatekmt8673 View
105mediatekmt8675 firmware View
106mediatekmt8675 View
107mediatekmt8676 firmware View
108mediatekmt8676 View
109mediatekmt8678 firmware View
110mediatekmt8678 View
111mediatekmt8755 firmware View
112mediatekmt8755 View
113mediatekmt8771 firmware View
114mediatekmt8771 View
115mediatekmt8775 firmware View
116mediatekmt8775 View
Total affected vendors: 1|Products: 116

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.0CVSS V31HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20432 is associated with the following CWEs:

CWE-787: Out-of-bounds Write

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-2026-20432 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

https://corp.mediatek.com/product-security-bulletin/April-2026vendor-advisory

CVSS Vector Radar Chart

8.0 / 10
Attack VectorAdjacentComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorAdjacent network
Attack ComplexityLow
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

M
mediatek logo
mediatek

Weakness Type (CWE & CAPEC)

CWE-787

Similar Vulnerabilities

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

Get a free keyDocumentation
curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-20432"