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CVE-2026-20541

Vulnerability in MediaTek, Inc. MediaTek Chipset

CVSS score

5.3

EPSS probability

%0.2

Risk score

0.0

Published

8 d 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.

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-20541 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 read due to a missing permission check. This could lead to remote denial of service, 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: MOLY01774038; Issue ID: MSV-8911.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-20541 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1MediaTek, Inc.MediaTek chipset View
2mediatekmt6985 firmware View
3mediatekmt6985 View
4mediatekmt6986 firmware View
5mediatekmt6986 View
6mediatekmt6988 firmware View
7mediatekmt6988 View
8mediatekmt6989 firmware View
9mediatekmt6989 View
10mediatekmt6990 firmware View
11mediatekmt6990 View
12mediatekmt6991 firmware View
13mediatekmt6991 View
14mediatekmt6993 firmware View
15mediatekmt6993 View
16mediatekmt8666 firmware View
17mediatekmt8666 View
18mediatekmt8667 firmware View
19mediatekmt8667 View
20mediatekmt8668 firmware View
21mediatekmt8668 View
22mediatekmt8673 firmware View
23mediatekmt8673 View
24mediatekmt8675 firmware View
25mediatekmt8675 View
26mediatekmt8676 firmware View
27mediatekmt8676 View
28mediatekmt8678 firmware View
29mediatekmt8678 View
30mediatekmt8755 firmware View
31mediatekmt8755 View
32mediatekmt8765 firmware View
33mediatekmt8765 View
34mediatekmt8766 firmware View
35mediatekmt8766 View
36mediatekmt8766r firmware View
37mediatekmt8766r View
38mediatekmt8768 firmware View
39mediatekmt8768 View
40mediatekmt8771 firmware View
41mediatekmt8771 View
42mediatekmt8775 firmware View
43mediatekmt8775 View
44mediatekmt8781 firmware View
45mediatekmt8781 View
46mediatekmt8786 firmware View
47mediatekmt8786 View
48mediatekmt8788 firmware View
49mediatekmt8788 View
50mediatekmt8788e firmware View
51mediatekmt8788e View
52mediatekmt8789 firmware View
53mediatekmt8789 View
54mediatekmt8791 firmware View
55mediatekmt8791 View
56mediatekmt8791t firmware View
57mediatekmt8791t View
58mediatekmt8792 firmware View
59mediatekmt8792 View
60mediatekmt8793 firmware View
61mediatekmt8793 View
62mediatekmt8795t firmware View
63mediatekmt8795t View
64mediatekmt8796 firmware View
65mediatekmt8796 View
66mediatekmt8797 firmware View
67mediatekmt8797 View
68mediatekmt8798 firmware View
69mediatekmt8798 View
70mediatekmt8863 firmware View
71mediatekmt8863 View
72mediatekmt8873 firmware View
73mediatekmt8873 View
74mediatekmt8883 firmware View
75mediatekmt8883 View
76mediatekmt8893 firmware View
77mediatekmt8893 View
78mediatekmt2716 firmware View
79mediatekmt2716 View
80mediatekmt2735 firmware View
81mediatekmt2735 View
82mediatekmt2737 firmware View
83mediatekmt2737 View
84mediatekmt6739 firmware View
85mediatekmt6739 View
86mediatekmt6761 firmware View
87mediatekmt6761 View
88mediatekmt6762 firmware View
89mediatekmt6762 View
90mediatekmt6763 firmware View
91mediatekmt6763 View
92mediatekmt6765 firmware View
93mediatekmt6765 View
94mediatekmt6767 firmware View
95mediatekmt6767 View
96mediatekmt6768 firmware View
97mediatekmt6768 View
98mediatekmt6769 firmware View
99mediatekmt6769 View
100mediatekmt6771 firmware View
101mediatekmt6771 View
102mediatekmt6779 firmware View
103mediatekmt6779 View
104mediatekmt6781 firmware View
105mediatekmt6781 View
106mediatekmt6783 firmware View
107mediatekmt6783 View
108mediatekmt6785 firmware View
109mediatekmt6785 View
110mediatekmt6789 firmware View
111mediatekmt6789 View
112mediatekmt6813 firmware View
113mediatekmt6813 View
114mediatekmt6815 firmware View
115mediatekmt6815 View
116mediatekmt6833 firmware View
117mediatekmt6833 View
118mediatekmt6835 firmware View
119mediatekmt6835 View
120mediatekmt6853 firmware View
121mediatekmt6853 View
122mediatekmt6855 firmware View
123mediatekmt6855 View
124mediatekmt6858 firmware View
125mediatekmt6858 View
126mediatekmt6873 firmware View
127mediatekmt6873 View
128mediatekmt6875 firmware View
129mediatekmt6875 View
130mediatekmt6877 firmware View
131mediatekmt6877 View
132mediatekmt6878 firmware View
133mediatekmt6878 View
134mediatekmt6879 firmware View
135mediatekmt6879 View
136mediatekmt6880 firmware View
137mediatekmt6880 View
138mediatekmt6881 firmware View
139mediatekmt6881 View
140mediatekmt6883 firmware View
141mediatekmt6883 View
142mediatekmt6885 firmware View
143mediatekmt6885 View
144mediatekmt6886 firmware View
145mediatekmt6886 View
146mediatekmt6889 firmware View
147mediatekmt6889 View
148mediatekmt6890 firmware View
149mediatekmt6890 View
150mediatekmt6891 firmware View
151mediatekmt6891 View
152mediatekmt6893 firmware View
153mediatekmt6893 View
154mediatekmt6895 firmware View
155mediatekmt6895 View
156mediatekmt6896 firmware View
157mediatekmt6896 View
158mediatekmt6897 firmware View
159mediatekmt6897 View
160mediatekmt6899 firmware View
161mediatekmt6899 View
162mediatekmt6980 firmware View
163mediatekmt6980 View
164mediatekmt6982 firmware View
165mediatekmt6982 View
166mediatekmt6983 firmware View
167mediatekmt6983 View
Total affected vendors: 2|Products: 167

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
5.3CVSS V31MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HNVD
5.3CVSS V3_1MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCVE ADP

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-2026-20541 is associated with the following CWEs:

CWE-126: Common Weakness Enumeration Entry CWE-126

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-2026-20541 weaknesses.

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

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://www.mediatek.com/product-security-bulletin/October-2026vendor-advisory

CVSS Vector Radar Chart

5.3 / 10
Attack VectorAdjacentComplexityHighPrivilegesNoneUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorAdjacent network
Attack ComplexityHigh
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)High
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

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

Follow the vendor

MI
MediaTek, Inc. logo
MediaTek, Inc.
M
mediatek logo
mediatek

Weakness Type (CWE & CAPEC)

CWE-126

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CVE-2026-20541 · Vulnerability in MediaTek, Inc. MediaTek Chipset · DayBreach