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Vulnerabilities

CVE-2026-7470

High
CWE-119 — Weakness Type
Published: Apr 30, 2026  ·  Modified: May 7, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. Affected is the function sub_427C3C of the file /goform/SafeMacFilter. This manipulation of the argument page causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

🤖 AI Executive Summary

A stack-based buffer overflow vulnerability exists in Tenda 4G300 router firmware version US_4G300V1.0Mt_V1.01.42_CN_TDC01 in the SafeMacFilter function. Remote attackers can exploit this flaw through the 'page' parameter to execute arbitrary code without authentication.

📄 Description (Arabic)

ثغرة تجاوز المخزن المؤقت القائم على المكدس في دالة sub_427C3C بملف /goform/SafeMacFilter في جهاز التوجيه Tenda 4G300. يمكن للمهاجمين البعيدين استغلال هذه الثغرة من خلال معامل 'page' لتنفيذ كود عشوائي. تم نشر استغلال هذه الثغرة علناً مما يزيد من خطر الاستخدام الفعلي.

🤖 ملخص تنفيذي (AI)

ثغرة تجاوز المخزن المؤقت القائم على المكدس موجودة في جهاز التوجيه Tenda 4G300 في إصدار البرنامج الثابت US_4G300V1.0Mt_V1.01.42_CN_TDC01. يمكن للمهاجمين البعيدين استغلال هذه الثغرة من خلال معامل 'page' لتنفيذ كود عشوائي بدون مصادقة.

🤖 AI Intelligence Analysis Analyzed: May 4, 2026 22:48
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update Tenda 4G300 firmware to the latest patched version beyond US_4G300V1.0Mt_V1.01.42_CN_TDC01. If updates are unavailable, disable remote management access, restrict access to the router's web interface using firewall rules, and monitor for suspicious connection attempts. Consider replacing the device with a supported alternative.
🔧 خطوات المعالجة (العربية)
قم بتحديث برنامج Tenda 4G300 الثابت فوراً إلى أحدث إصدار معدل يتجاوز US_4G300V1.0Mt_V1.01.42_CN_TDC01. إذا لم تكن التحديثات متاحة، قم بتعطيل الوصول الإداري البعيد، وقيد الوصول إلى واجهة الويب للجهاز باستخدام قواعد جدار الحماية، وراقب محاولات الاتصال المريبة. فكر في استبدال الجهاز ببديل مدعوم.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 7.1 7.2
🔵 SAMA CSF
ID.AM-2 PR.AC-1 PR.PT-1 DE.CM-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.14.2.5
📦 Affected Products / CPE 1 entries
tenda:4g300_firmware:1.01.42_cn_tdc01
📊 CVSS Score
8.8
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.8
CWECWE-119
EPSS0.08%
Exploit No
Patch ✗ No
Published 2026-04-30
Source Feed nvd
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-119
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