📄 الوصف (الإنجليزية)
An OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute arbitrary code when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow the attacker to modify device configuration, access sensitive information, or further compromise system integrity.
This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
🤖 ملخص AI
CVE-2026-30818 is a critical OS command injection vulnerability in TP-Link Archer AX53 v1.0 firmware affecting the dnsmasq module. An authenticated adjacent attacker can execute arbitrary code through specially crafted configuration files, potentially compromising device integrity and accessing sensitive information. With no patch currently available and CVSS 8.0 severity, this poses immediate risk to organizations relying on these devices for network infrastructure.
📄 الوصف (العربية)
🤖 التحليل الذكي آخر تحليل: Apr 26, 2026 20:36
🇸🇦 التأثير على المملكة العربية السعودية
This vulnerability significantly impacts Saudi organizations across multiple critical sectors: (1) Banking & Financial Services (SAMA-regulated) — TP-Link routers commonly used in branch networks and payment processing infrastructure; (2) Government & Critical Infrastructure (NCA oversight) — widespread deployment in government agencies and ministries; (3) Telecommunications (STC, Mobily, Zain) — used in network edge devices and customer premises equipment; (4) Healthcare (MOH facilities) — deployed in hospital networks for connectivity; (5) Energy Sector (ARAMCO, SEC) — used in operational technology networks. The adjacent attacker requirement limits exposure but is feasible in shared network environments common in Saudi enterprises. Configuration file manipulation could enable lateral movement and data exfiltration.
🏢 القطاعات السعودية المتأثرة
Banking & Financial Services
Government & Public Administration
Telecommunications
Healthcare
Energy & Utilities
Critical Infrastructure
Education
Retail & E-commerce
🎯 تقنيات MITRE ATT&CK
T1059 — Command and Scripting Interpreter (OS command injection via dnsmasq)
T1190 — Exploit Public-Facing Application (configuration file processing)
T1548 — Abuse Elevation Control Mechanism (privilege escalation via arbitrary code execution)
T1098 — Account Manipulation (modify device configuration)
T1005 — Data from Local System (access sensitive device information)
T1021 — Remote Service Session Initiation (adjacent network access)
T1562 — Impair Defenses (disable security features via configuration)
T1070 — Indicator Removal (modify logs to cover tracks)
⚖️ درجة المخاطر السعودية (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all TP-Link Archer AX53 v1.0 devices across your organization and document their network location and criticality
2. Restrict administrative access to affected devices — implement network segmentation to limit adjacent attacker access
3. Disable remote management features and restrict configuration file uploads to trusted sources only
4. Monitor device logs for suspicious configuration changes or command execution patterns
PATCHING GUIDANCE:
1. Contact TP-Link support immediately to obtain firmware version 1.7.1 Build 20260213 or later when available
2. Establish a patching timeline with priority for devices in critical infrastructure (banking, government, healthcare)
3. Test patches in isolated lab environment before production deployment
4. Plan maintenance windows to minimize business disruption
COMPENSATING CONTROLS (until patch available):
1. Implement network access controls (NAC) to restrict device configuration access to authorized administrators only
2. Deploy intrusion detection/prevention systems (IDS/IPS) to monitor for suspicious dnsmasq module activity
3. Implement file integrity monitoring (FIM) on device configuration files
4. Restrict physical and network access to device management interfaces
5. Disable unnecessary services on affected devices
DETECTION RULES:
1. Monitor for HTTP POST requests to device management interface with suspicious payloads containing shell metacharacters (|, ;, &, $, `, etc.)
2. Alert on configuration file uploads containing command injection patterns
3. Monitor syslog for unexpected process execution from dnsmasq module
4. Track changes to device configuration files using checksums
5. Monitor for outbound connections from affected devices to unusual destinations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أجهزة TP-Link Archer AX53 v1.0 عبر مؤسستك وتوثيق موقعها على الشبكة وأهميتها
2. قيد الوصول الإداري للأجهزة المتأثرة — طبق تقسيم الشبكة لتحديد وصول المهاجم المجاور
3. عطل ميزات الإدارة البعيدة وقيد تحميل ملفات الإعدادات للمصادر الموثوقة فقط
4. راقب سجلات الجهاز للتغييرات المريبة في الإعدادات أو أنماط تنفيذ الأوامر
إرشادات التصحيح:
1. اتصل بدعم TP-Link فوراً للحصول على إصدار البرنامج الثابت 1.7.1 Build 20260213 أو أحدث عند توفره
2. ضع جدول زمني للتصحيح مع الأولوية للأجهزة في البنية التحتية الحرجة (البنوك والحكومة والرعاية الصحية)
3. اختبر التصحيحات في بيئة معملية معزولة قبل النشر في الإنتاج
4. خطط نوافذ الصيانة لتقليل تعطل الأعمال
الضوابط البديلة (حتى توفر التصحيح):
1. طبق ضوابط الوصول إلى الشبكة (NAC) لتقييد وصول إعدادات الجهاز للمسؤولين المصرح لهم فقط
2. نشر أنظمة كشف/منع الاختراق (IDS/IPS) لمراقبة نشاط وحدة dnsmasq المريب
3. طبق مراقبة سلامة الملفات (FIM) على ملفات إعدادات الجهاز
4. قيد الوصول المادي والشبكي لواجهات إدارة الجهاز
5. عطل الخدمات غير الضرورية على الأجهزة المتأثرة
قواعد الكشف:
1. راقب طلبات HTTP POST لواجهة إدارة الجهاز التي تحتوي على حمولات مريبة تحتوي على أحرف shell (|, ;, &, $, `, إلخ)
2. أصدر تنبيهات عند تحميل ملفات إعدادات تحتوي على أنماط حقن الأوامر
3. راقب syslog لتنفيذ العمليات غير المتوقعة من وحدة dnsmasq
4. تتبع التغييرات في ملفات إعدادات الجهاز باستخدام المجاميع الاختيارية
5. راقب الاتصالات الصادرة من الأجهزة المتأثرة إلى وجهات غير عادية
📋 خريطة الامتثال التنظيمي
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 — Information Security Policies (device security configuration management)
ECC 2024 A.8.1.1 — User Endpoint Devices (network device security controls)
ECC 2024 A.8.2.1 — Privileged Access Rights (restrict administrative access to affected devices)
ECC 2024 A.8.3.1 — Information Access Restriction (limit configuration file access)
ECC 2024 A.12.2.1 — Change Management (patch deployment and testing procedures)
ECC 2024 A.12.4.1 — Event Logging (monitor device configuration changes)
🔵 SAMA CSF
SAMA CSF Governance — Risk Management (identify and assess TP-Link device inventory)
SAMA CSF Governance — Third-Party Risk Management (vendor patch management)
SAMA CSF Protective — Access Control (restrict device management access)
SAMA CSF Protective — Data Protection (prevent unauthorized configuration modification)
SAMA CSF Protective — System Hardening (disable unnecessary services)
SAMA CSF Detective — Monitoring & Logging (detect suspicious configuration changes)
SAMA CSF Responsive — Incident Response (procedures for device compromise)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 — Policies for Information Security (device security policies)
ISO 27001:2022 A.6.1 — Organization of Information Security (roles and responsibilities)
ISO 27001:2022 A.8.1 — User Endpoint Devices (network device security)
ISO 27001:2022 A.8.2 — Privileged Access Rights (administrative access control)
ISO 27001:2022 A.8.3 — Information Access Restriction (configuration file protection)
ISO 27001:2022 A.12.2 — Change Management (patch management procedures)
ISO 27001:2022 A.12.4 — Event Logging (device activity monitoring)
ISO 27001:2022 A.12.6 — Management of Technical Vulnerabilities (vulnerability assessment)
🟣 PCI DSS v4.0.1
PCI DSS 1.1 — Firewall Configuration Standards (if device used in payment network)
PCI DSS 2.1 — Default Passwords (change default credentials on affected devices)
PCI DSS 2.2 — Configuration Standards (harden device configuration)
PCI DSS 6.2 — Security Patches (patch management for network devices)
PCI DSS 10.2 — User Activity Logging (monitor device configuration changes)
PCI DSS 11.2 — Vulnerability Scanning (include network devices in scans)
🔗 المراجع والمصادر 4
🔗
https://talosintelligence.com/vulnerability_reports/
f23511db-6c3e-4e32-a477-6aa17d310630
Third Party Advisory
🔗
https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware
f23511db-6c3e-4e32-a477-6aa17d310630
Product
🔗
https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware
f23511db-6c3e-4e32-a477-6aa17d310630
Product
🔗
https://www.tp-link.com/us/support/faq/5055/
f23511db-6c3e-4e32-a477-6aa17d310630
Vendor Advisory
📦 المنتجات المتأثرة 1 منتج
tp-link:archer_ax53_firmware