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CVE-2026-20501

Vulnerability in Mediatek Mt2718 Firmware

CVSS score

8.4

EPSS probability

%0.1

Risk score

0.0

Published

1 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-2026-20501 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

In vdec, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9197.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-20501 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1mediatekmt2718 firmware View
2mediatekmt2718 View
3mediatekmt6580 firmware View
4mediatekmt6580 View
5mediatekmt6739 firmware View
6mediatekmt6739 View
7mediatekmt6761 firmware View
8mediatekmt6761 View
9mediatekmt6765 firmware View
10mediatekmt6765 View
11mediatekmt6768 firmware View
12mediatekmt6768 View
13mediatekmt6769 firmware View
14mediatekmt6769 View
15mediatekmt6779 firmware View
16mediatekmt6779 View
17mediatekmt6781 firmware View
18mediatekmt6781 View
19mediatekmt6785 firmware View
20mediatekmt6785 View
21mediatekmt6789 firmware View
22mediatekmt6789 View
23mediatekmt6833 firmware View
24mediatekmt6833 View
25mediatekmt6835 firmware View
26mediatekmt6835 View
27mediatekmt6853 firmware View
28mediatekmt6853 View
29mediatekmt6855 firmware View
30mediatekmt6855 View
31mediatekmt6858 firmware View
32mediatekmt6858 View
33mediatekmt6873 firmware View
34mediatekmt6873 View
35mediatekmt6877 firmware View
36mediatekmt6877 View
37mediatekmt6878 firmware View
38mediatekmt6878 View
39mediatekmt6879 firmware View
40mediatekmt6879 View
41mediatekmt6881 firmware View
42mediatekmt6881 View
43mediatekmt6883 firmware View
44mediatekmt6883 View
45mediatekmt6885 firmware View
46mediatekmt6885 View
47mediatekmt6886 firmware View
48mediatekmt6886 View
49mediatekmt6889 firmware View
50mediatekmt6889 View
51mediatekmt6893 firmware View
52mediatekmt6893 View
53mediatekmt6895 firmware View
54mediatekmt6895 View
55mediatekmt6897 firmware View
56mediatekmt6897 View
57mediatekmt6899 firmware View
58mediatekmt6899 View
59mediatekmt6983 firmware View
60mediatekmt6983 View
61mediatekmt6985 firmware View
62mediatekmt6985 View
63mediatekmt6989 firmware View
64mediatekmt6989 View
65mediatekmt6991 firmware View
66mediatekmt6991 View
67mediatekmt6993 firmware View
68mediatekmt6993 View
69mediatekmt8126 firmware View
70mediatekmt8126 View
71mediatekmt8171 firmware View
72mediatekmt8171 View
73mediatekmt8186 firmware View
74mediatekmt8186 View
75mediatekmt8188 firmware View
76mediatekmt8188 View
77mediatekmt8189 firmware View
78mediatekmt8189 View
79mediatekmt8195 firmware View
80mediatekmt8195 View
81mediatekmt8196 firmware View
82mediatekmt8196 View
83mediatekmt8367 firmware View
84mediatekmt8367 View
85mediatekmt8391 firmware View
86mediatekmt8391 View
87mediatekmt8395 firmware View
88mediatekmt8395 View
89mediatekmt8668 firmware View
90mediatekmt8668 View
91mediatekmt8676 firmware View
92mediatekmt8676 View
93mediatekmt8678 firmware View
94mediatekmt8678 View
95mediatekmt8696 firmware View
96mediatekmt8696 View
97mediatekmt8781 firmware View
98mediatekmt8781 View
99mediatekmt8788e firmware View
100mediatekmt8788e View
101mediatekmt8792 firmware View
102mediatekmt8792 View
103mediatekmt8799 firmware View
104mediatekmt8799 View
105mediatekmt8910 firmware View
106mediatekmt8910 View
Total affected vendors: 1|Products: 106

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
8.4CVSS V31HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/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-2026-20501 is associated with the following CWEs:

CWE-122: Common Weakness Enumeration Entry CWE-122

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-2026-20501 weaknesses.

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

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

8.4 / 10
Attack VectorLocalComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorLocal
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
mediatek logo
mediatek

Weakness Type (CWE & CAPEC)

CWE-122

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