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Vulnerabilities

CVE-2026-30815

High
CWE-78 — Weakness Type
Published: Apr 8, 2026  ·  Modified: Apr 15, 2026  ·  Source: NVD
CVSS v3
8.0
🔗 NVD Official
📄 Description (English)

An OS command injection vulnerability in the OpenVPN module
of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute system commands when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow modification of configuration files, disclosure of sensitive information, or further compromise of device integrity.

This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

🤖 AI Executive Summary

CVE-2026-30815 is a critical OS command injection vulnerability in TP-Link Archer AX53 v1.0 firmware affecting the OpenVPN module. An authenticated adjacent attacker can execute arbitrary system commands through malicious configuration files, potentially leading to device compromise, configuration tampering, and sensitive data disclosure. With no patch currently available and widespread router deployment across Saudi networks, immediate compensating controls are essential.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 20:38
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations relying on TP-Link Archer AX53 routers for network infrastructure. Primary impact sectors include: (1) Banking/SAMA-regulated institutions using these devices in branch networks or remote access infrastructure; (2) Government agencies (NCA, NCSC) with distributed network deployments; (3) Healthcare facilities (MOH) using these routers for clinic/hospital connectivity; (4) Telecom providers (STC, Mobily, Zain) in network edge deployments; (5) Energy sector (ARAMCO, SEC) in operational technology networks. The adjacent network requirement limits exposure but remains critical for internal network security posture, particularly in multi-tenant environments and shared network segments.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications Education Retail
⚖️ Saudi Risk Score (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 routers to authorized personnel only; implement network segmentation to limit adjacent network access
3. Disable OpenVPN module functionality if not actively required; if required, restrict configuration file uploads to trusted administrators only
4. Monitor router logs for suspicious configuration file uploads or command execution attempts

COMPENSATING CONTROLS:
5. Implement network-based intrusion detection/prevention (IDS/IPS) rules to detect OpenVPN configuration anomalies
6. Deploy file integrity monitoring (FIM) on router configuration files to detect unauthorized modifications
7. Isolate affected routers on dedicated VLANs with strict access control lists (ACLs) limiting adjacent network connectivity
8. Implement multi-factor authentication for router administrative access
9. Maintain offline backups of known-good router configurations

DETECTION RULES:
10. Monitor for HTTP POST requests to router management interface with suspicious file uploads containing shell metacharacters (|, ;, &, $, backticks)
11. Alert on configuration file modifications with timestamps outside normal maintenance windows
12. Track failed and successful OpenVPN module configuration changes with source IP logging
13. Monitor system process execution logs for unexpected child processes spawned from OpenVPN module

PATCHING STRATEGY:
14. Contact TP-Link support for emergency firmware updates; current version 1.7.1 Build 20260213 or later required
15. Plan firmware upgrade during maintenance windows with rollback procedures documented
16. Test patches in isolated lab environment before production deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أجهزة TP-Link Archer AX53 v1.0 عبر مؤسستك وتوثيق موقعها الشبكي وأهميتها
2. قيد الوصول الإداري إلى الموجهات المتأثرة للموظفين المصرح لهم فقط؛ تطبيق تقسيم الشبكة لتحديد الوصول إلى الشبكة المجاورة
3. تعطيل وحدة OpenVPN إذا لم تكن مطلوبة بنشاط؛ إذا لزم الأمر، قيد تحميل ملفات التكوين للمسؤولين الموثوقين فقط
4. مراقبة سجلات الموجه للتحميلات المريبة لملفات التكوين أو محاولات تنفيذ الأوامر

الضوابط التعويضية:
5. تطبيق قواعد كشف/منع الاختراق على مستوى الشبكة (IDS/IPS) للكشف عن شذوذ تكوين OpenVPN
6. نشر مراقبة سلامة الملفات (FIM) على ملفات تكوين الموجه للكشف عن التعديلات غير المصرح بها
7. عزل الموجهات المتأثرة على شبكات VLAN مخصصة مع قوائم تحكم الوصول (ACLs) صارمة
8. تطبيق المصادقة متعددة العوامل لوصول الإدارة للموجه
9. الحفاظ على نسخ احتياطية غير متصلة من تكوينات الموجه المعروفة الجيدة

قواعد الكشف:
10. مراقبة طلبات HTTP POST إلى واجهة إدارة الموجه مع تحميلات ملفات مريبة تحتوي على أحرف shell
11. التنبيه على تعديلات ملفات التكوين خارج نوافذ الصيانة العادية
12. تتبع التغييرات في وحدة OpenVPN مع تسجيل عنوان IP المصدر
13. مراقبة سجلات تنفيذ العمليات للعمليات الفرعية غير المتوقعة

استراتيجية التصحيح:
14. اتصل بدعم TP-Link للحصول على تحديثات برنامج ثابت طارئة
15. خطط لترقية البرنامج الثابت خلال نوافذ الصيانة مع توثيق إجراءات الاسترجاع
16. اختبر التصحيحات في بيئة معملية معزولة قبل النشر الإنتاجي
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures ECC 2024 A.6.1.2 - Access Control and Authentication ECC 2024 A.12.2.1 - Change Management ECC 2024 A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Hardware and Software Assets SAMA CSF PR.AC-1 - Access Control SAMA CSF PR.IP-12 - Vulnerability Management SAMA CSF DE.CM-8 - Vulnerability Scans
🟡 ISO 27001:2022
ISO 27001:2022 A.5.16 - Management of Information Security Incidents ISO 27001:2022 A.8.1 - User Endpoint Devices ISO 27001:2022 A.8.2 - Privileged Access Rights ISO 27001:2022 A.8.6 - Access Control for Change Management
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security Patches and Updates PCI DSS 6.5.1 - Injection Flaws PCI DSS 11.2 - Vulnerability Scanning
📦 Affected Products / CPE 1 entries
tp-link:archer_ax53_firmware
📊 CVSS Score
8.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorA — Adjacent
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 Score8.0
CWECWE-78
EPSS0.45%
Exploit No
Patch ✗ No
Published 2026-04-08
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-78
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