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CVE-2026-20450

Vulnerability in Mediatek Mt2735 Firmware

CVSS score

6.5

EPSS probability

%0.3

Risk score

0.0

Published

5 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

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-20450 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 system crash due to incorrect error handling. 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: MOLY01753620; Issue ID: MSV-6100.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-20450 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
5mediatekmt6833 firmware View
6mediatekmt6833 View
7mediatekmt6835 firmware View
8mediatekmt6835 View
9mediatekmt6853 firmware View
10mediatekmt6853 View
11mediatekmt6855 firmware View
12mediatekmt6855 View
13mediatekmt6858 firmware View
14mediatekmt6858 View
15mediatekmt6873 firmware View
16mediatekmt6873 View
17mediatekmt6875 firmware View
18mediatekmt6875 View
19mediatekmt6877 firmware View
20mediatekmt6877 View
21mediatekmt6878 firmware View
22mediatekmt6878 View
23mediatekmt6879 firmware View
24mediatekmt6879 View
25mediatekmt6880 firmware View
26mediatekmt6880 View
27mediatekmt6883 firmware View
28mediatekmt6883 View
29mediatekmt6885 firmware View
30mediatekmt6885 View
31mediatekmt6886 firmware View
32mediatekmt6886 View
33mediatekmt6889 firmware View
34mediatekmt6889 View
35mediatekmt6890 firmware View
36mediatekmt6890 View
37mediatekmt6891 firmware View
38mediatekmt6891 View
39mediatekmt6893 firmware View
40mediatekmt6893 View
41mediatekmt6895 firmware View
42mediatekmt6895 View
43mediatekmt6896 firmware View
44mediatekmt6896 View
45mediatekmt6897 firmware View
46mediatekmt6897 View
47mediatekmt6899 firmware View
48mediatekmt6899 View
49mediatekmt6980 firmware View
50mediatekmt6980 View
51mediatekmt6983 firmware View
52mediatekmt6983 View
53mediatekmt6985 firmware View
54mediatekmt6985 View
55mediatekmt6986 firmware View
56mediatekmt6986 View
57mediatekmt6989 firmware View
58mediatekmt6989 View
59mediatekmt6990 firmware View
60mediatekmt6990 View
61mediatekmt6991 firmware View
62mediatekmt6991 View
63mediatekmt6993 firmware View
64mediatekmt6993 View
65mediatekmt8668 firmware View
66mediatekmt8668 View
67mediatekmt8673 firmware View
68mediatekmt8673 View
69mediatekmt8675 firmware View
70mediatekmt8675 View
71mediatekmt8676 firmware View
72mediatekmt8676 View
73mediatekmt8678 firmware View
74mediatekmt8678 View
75mediatekmt8755 firmware View
76mediatekmt8755 View
77mediatekmt8771 firmware View
78mediatekmt8771 View
79mediatekmt8775 firmware View
80mediatekmt8775 View
81mediatekmt8791 firmware View
82mediatekmt8791 View
83mediatekmt8791t firmware View
84mediatekmt8791t View
85mediatekmt8792 firmware View
86mediatekmt8792 View
87mediatekmt8793 firmware View
88mediatekmt8793 View
89mediatekmt8795t firmware View
90mediatekmt8795t View
91mediatekmt8797 firmware View
92mediatekmt8797 View
93mediatekmt8798 firmware View
94mediatekmt8798 View
95mediatekmt8863 firmware View
96mediatekmt8863 View
97mediatekmt8873 firmware View
98mediatekmt8873 View
99mediatekmt8883 firmware View
100mediatekmt8883 View
101mediatekmt8893 firmware View
102mediatekmt8893 View
Total affected vendors: 1|Products: 102

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
6.5CVSS V31MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2026-20450 is associated with the following CWEs:

CWE-617: Common Weakness Enumeration Entry CWE-617

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-2026-20450 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://corp.mediatek.com/product-security-bulletin/May-2026vendor-advisory

CVSS Vector Radar Chart

6.5 / 10
Attack VectorAdjacentComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama durumu bilinmiyor

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

Follow the vendor

M
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mediatek

Weakness Type (CWE & CAPEC)

CWE-617

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CVE-2026-20450 · Vulnerability in Mediatek Mt2735 Firmware