Back to the CVE list
CVE-2026-20451

Vulnerability in Mediatek Mt8115 Firmware

CVSS score

6.7

EPSS probability

%0.2

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

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-2026-20451 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10828685; Issue ID: MSV-6504.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-20451 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1mediatekmt8115 firmware View
2mediatekmt8115 View
3mediatekmt8186 firmware View
4mediatekmt8186 View
5mediatekmt8188 firmware View
6mediatekmt8188 View
7mediatekmt8196 firmware View
8mediatekmt8196 View
9mediatekmt8365 firmware View
10mediatekmt8365 View
11mediatekmt8367 firmware View
12mediatekmt8367 View
13mediatekmt8370 firmware View
14mediatekmt8370 View
15mediatekmt8371 firmware View
16mediatekmt8371 View
17mediatekmt8390 firmware View
18mediatekmt8390 View
19mediatekmt8391 firmware View
20mediatekmt8391 View
21mediatekmt8395 firmware View
22mediatekmt8395 View
23mediatekmt8676 firmware View
24mediatekmt8676 View
25mediatekmt8678 firmware View
26mediatekmt8678 View
27mediatekmt8766 firmware View
28mediatekmt8766 View
29mediatekmt8768 firmware View
30mediatekmt8768 View
31mediatekmt8775 firmware View
32mediatekmt8775 View
33mediatekmt8781 firmware View
34mediatekmt8781 View
35mediatekmt8786 firmware View
36mediatekmt8786 View
37mediatekmt8788e firmware View
38mediatekmt8788e View
39mediatekmt8791t firmware View
40mediatekmt8791t View
41mediatekmt8792 firmware View
42mediatekmt8792 View
43mediatekmt8793 firmware View
44mediatekmt8793 View
45mediatekmt8796 firmware View
46mediatekmt8796 View
47mediatekmt8873 firmware View
48mediatekmt8873 View
49mediatekmt8883 firmware View
50mediatekmt8883 View
51mediatekmt8893 firmware View
52mediatekmt8893 View
53mediatekmt8910 firmware View
54mediatekmt8910 View
55mediatekmt2718 firmware View
56mediatekmt2718 View
57mediatekmt6899 firmware View
58mediatekmt6899 View
59mediatekmt6985 firmware View
60mediatekmt6985 View
61mediatekmt6989 firmware View
62mediatekmt6989 View
63mediatekmt6991 firmware View
64mediatekmt6991 View
Total affected vendors: 1|Products: 64

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
6.7CVSS V31MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/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-2026-20451 is associated with the following CWEs:

CWE-843: Common Weakness Enumeration Entry CWE-843

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-2026-20451 weaknesses.

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

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

6.7 / 10
Attack VectorLocalComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredHigh privileges
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-843

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-2026-20451"
CVE-2026-20451 · Vulnerability in Mediatek Mt8115 Firmware