Out-of-bounds write in Mediatek Mt6739 Firmware
CVSS Skor
7.8
EPSS İhtimal
%0.1
Risk Skoru
0.0
Yayın
4 ay önce
Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.
Envanterimdeki Etkisi
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Zafiyet Açıklaması
DayBreach CVE AI Araştırması
CVE-2026-20455 için toplanan üretici, dağıtım, yama ve güvenlik kaynağı kayıtlarını karşılaştırıp kanıt bağlantılı bir açıklama hazırlayalım.
In geniezone, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10873936; Issue ID: MSV-6784.
IMPACT — Etkilenen Ürünler ve Yazılımlar
Affected Products
The following products are affected by CVE-2026-20455 vulnerability. Even if our threat engine is aware of the exact versions of the products that are affected, the information is represented below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | mediatek | mt6739 firmware | İncele |
| 2 | mediatek | mt6739 | İncele |
| 3 | mediatek | mt6761 firmware | İncele |
| 4 | mediatek | mt6761 | İncele |
| 5 | mediatek | mt6765 firmware | İncele |
| 6 | mediatek | mt6765 | İncele |
| 7 | mediatek | mt6768 firmware | İncele |
| 8 | mediatek | mt6768 | İncele |
| 9 | mediatek | mt6781 firmware | İncele |
| 10 | mediatek | mt6781 | İncele |
| 11 | mediatek | mt6789 firmware | İncele |
| 12 | mediatek | mt6789 | İncele |
| 13 | mediatek | mt6835 firmware | İncele |
| 14 | mediatek | mt6835 | İncele |
| 15 | mediatek | mt6853 firmware | İncele |
| 16 | mediatek | mt6853 | İncele |
| 17 | mediatek | mt6855 firmware | İncele |
| 18 | mediatek | mt6855 | İncele |
| 19 | mediatek | mt6877 firmware | İncele |
| 20 | mediatek | mt6877 | İncele |
| 21 | mediatek | mt6878 firmware | İncele |
| 22 | mediatek | mt6878 | İncele |
| 23 | mediatek | mt6879 firmware | İncele |
| 24 | mediatek | mt6879 | İncele |
| 25 | mediatek | mt6883 firmware | İncele |
| 26 | mediatek | mt6883 | İncele |
| 27 | mediatek | mt6885 firmware | İncele |
| 28 | mediatek | mt6885 | İncele |
| 29 | mediatek | mt6886 firmware | İncele |
| 30 | mediatek | mt6886 | İncele |
| 31 | mediatek | mt6889 firmware | İncele |
| 32 | mediatek | mt6889 | İncele |
| 33 | mediatek | mt6893 firmware | İncele |
| 34 | mediatek | mt6893 | İncele |
| 35 | mediatek | mt6895 firmware | İncele |
| 36 | mediatek | mt6895 | İncele |
| 37 | mediatek | mt6897 firmware | İncele |
| 38 | mediatek | mt6897 | İncele |
| 39 | mediatek | mt6899 firmware | İncele |
| 40 | mediatek | mt6899 | İncele |
| 41 | mediatek | mt6983 firmware | İncele |
| 42 | mediatek | mt6983 | İncele |
| 43 | mediatek | mt6985 firmware | İncele |
| 44 | mediatek | mt6985 | İncele |
| 45 | mediatek | mt6989 firmware | İncele |
| 46 | mediatek | mt6989 | İncele |
| 47 | mediatek | mt6991 firmware | İncele |
| 48 | mediatek | mt6991 | İncele |
| 49 | mediatek | mt8673 firmware | İncele |
| 50 | mediatek | mt8673 | İncele |
| 51 | mediatek | mt8765 firmware | İncele |
| 52 | mediatek | mt8765 | İncele |
| 53 | mediatek | mt8766 firmware | İncele |
| 54 | mediatek | mt8766 | İncele |
| 55 | mediatek | mt8768 firmware | İncele |
| 56 | mediatek | mt8768 | İncele |
| 57 | mediatek | mt8781 firmware | İncele |
| 58 | mediatek | mt8781 | İncele |
| 59 | mediatek | mt8786 firmware | İncele |
| 60 | mediatek | mt8786 | İncele |
| 61 | mediatek | mt8788 firmware | İncele |
| 62 | mediatek | mt8788 | İncele |
| 63 | mediatek | mt8791t firmware | İncele |
| 64 | mediatek | mt8791t | İncele |
| 65 | mediatek | mt8793 firmware | İncele |
| 66 | mediatek | mt8793 | İncele |
| 67 | mediatek | mt8797 firmware | İncele |
| 68 | mediatek | mt8797 | İncele |
| 69 | mediatek | mt8798 firmware | İncele |
| 70 | mediatek | mt8798 | İncele |
| 71 | mediatek | mt8910 firmware | İncele |
| 72 | mediatek | mt8910 | İncele |
RED HAT CSAF/VEX — Ürün Etki Kontrolü
SCORING — CVSS Çoklu Kaynak Skoru
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from various sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.8 | CVSS V31 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD |
Yama ve İyileştirme Rehberi (Solution)
Solution & Remediation Advisory
İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.
Public exploit ve aktif sömürü durumu
Doğrulanmış exploit istihbaratı
Bu CVE için henüz doğrulanmış public PoC, exploit repository’si veya Metasploit modülü bulunamadı.
Zafiyet Dağılımı ve Saldırı Kalıpları (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20455 is associated with the following CWEs:
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-2026-20455 weaknesses.
Saldırı Vektörü ve Erişilebilirlik Karakteristiği
Resmi Kaynaklar ve Danışma Bültenleri
İlgili Benzer Açıklar
Bu açığı API ile alın
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curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-20455"