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CVE-2026-20525

Vulnerability in MediaTek, Inc. MediaTek Chipset

CVSS score

5.3

EPSS probability

%0.2

Risk score

0.0

Published

13 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-2026-20525 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 improper input validation. 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: MOLY01870473 / MOLY00814393; Issue ID: MSV-9041.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-20525 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1MediaTek, Inc.MediaTek chipset View
2mediatekmt2716 firmware View
3mediatekmt2716 View
4mediatekmt6835 firmware View
5mediatekmt6835 View
6mediatekmt6858 firmware View
7mediatekmt6858 View
8mediatekmt6878 firmware View
9mediatekmt6878 View
10mediatekmt6881 firmware View
11mediatekmt6881 View
12mediatekmt6897 firmware View
13mediatekmt6897 View
14mediatekmt6899 firmware View
15mediatekmt6899 View
16mediatekmt6982 firmware View
17mediatekmt6982 View
18mediatekmt6986 firmware View
19mediatekmt6986 View
20mediatekmt6988 firmware View
21mediatekmt6988 View
22mediatekmt6991 firmware View
23mediatekmt6991 View
24mediatekmt6993 firmware View
25mediatekmt6993 View
26mediatekmt8668 firmware View
27mediatekmt8668 View
28mediatekmt8676 firmware View
29mediatekmt8676 View
30mediatekmt8678 firmware View
31mediatekmt8678 View
32mediatekmt8755 firmware View
33mediatekmt8755 View
34mediatekmt8775 firmware View
35mediatekmt8775 View
36mediatekmt8792 firmware View
37mediatekmt8792 View
38mediatekmt8793 firmware View
39mediatekmt8793 View
40mediatekmt8863 firmware View
41mediatekmt8863 View
42mediatekmt8873 firmware View
43mediatekmt8873 View
44mediatekmt8883 firmware View
45mediatekmt8883 View
Total affected vendors: 2|Products: 45

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-2026-20525 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-2026-20525 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-617

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