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Vulnerabilities

CVE-2026-6158

High
CWE-77 — Weakness Type
Published: Apr 13, 2026  ·  Modified: Apr 20, 2026  ·  Source: NVD
CVSS v3
7.3
🔗 NVD Official
📄 Description (English)

A flaw has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setUpgradeUboot of the file upgrade.so. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used.

🤖 AI Executive Summary

CVE-2026-6158 is a remote command injection vulnerability in Totolink N300RH router firmware version 6.1c.1353_B20190305 affecting the setUpgradeUboot function. An attacker can manipulate the FileName parameter to execute arbitrary OS commands remotely without authentication.

📄 Description (Arabic)

تم اكتشاف ثغرة حقن أوامر نظام تشغيل في جهاز التوجيه Totolik N300RH الإصدار 6.1c.1353_B20190305 في دالة setUpgradeUboot. يمكن للمهاجمين التلاعب بمعامل FileName لتنفيذ أوامر تعسفية على النظام بشكل بعيد دون الحاجة للمصادقة. تم نشر استغلال الثغرة علناً مما يزيد من خطورتها.

🤖 ملخص تنفيذي (AI)

This vulnerability affects Totolik N300RH routers used in Saudi networks, allowing remote attackers to inject and execute arbitrary commands through the upgrade functionality. The flaw enables complete system compromise and is particularly dangerous as exploits are publicly available.

🤖 AI Intelligence Analysis Analyzed: May 7, 2026 20:19
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update Totolik N300RH firmware to the latest patched version beyond 6.1c.1353_B20190305. If updates are unavailable, disable remote management features, restrict access to the device's web interface using firewall rules, and monitor for suspicious upgrade attempts. Replace the device if no patches are available from the vendor.
🔧 خطوات المعالجة (العربية)
قم بتحديث برنامج جهاز Totolik N300RH فوراً إلى أحدث إصدار معدل بعد 6.1c.1353_B20190305. إذا لم تكن التحديثات متاحة، قم بتعطيل ميزات الإدارة البعيدة وتقييد الوصول إلى واجهة الويب للجهاز باستخدام قواعد جدار الحماية ومراقبة محاولات الترقية المريبة. استبدل الجهاز إذا لم تتوفر تصحيحات من البائع.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 6.1
🔵 SAMA CSF
ID.AM-2 PR.DS-1 PR.IP-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.18.1.3
📊 CVSS Score
7.3
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity High
CVSS Score7.3
CWECWE-77
EPSS2.96%
Exploit No
Patch ✗ No
Published 2026-04-13
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-77
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