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Vulnerabilities

CVE-2025-62673

High
Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tdpserver modules) allows adjacent attackers to cause a segmentation fault or potentially execute arbitrary code via a specially c
CWE-122 — Weakness Type
Published: Feb 3, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
8.0
🔗 NVD Official
📄 Description (English)

Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tdpserver modules) allows adjacent attackers to cause a segmentation fault or potentially execute arbitrary code via a specially crafted network packet containing a maliciously formed field.This issue affects Archer AX53 v1.0: through 1.3.1 Build 20241120.

🤖 AI Executive Summary

A heap-based buffer overflow vulnerability (CVE-2025-62673) affects TP-Link Archer AX53 routers running firmware versions 1.0 through 1.3.1 Build 20241120. Adjacent network attackers can exploit this flaw via specially crafted packets to cause denial of service or potentially execute arbitrary code on affected devices. This poses significant risk to Saudi organizations relying on these routers for network infrastructure, particularly in small to medium-sized enterprises and government facilities.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 16:03
🇸🇦 Saudi Arabia Impact Assessment
High impact on Saudi SMEs, government agencies, and educational institutions that deploy TP-Link Archer AX53 routers. Telecom sector (STC, Mobily, Zain) may have these devices in customer networks. Banking sector risk is moderate if routers are used in branch office networks. Healthcare facilities using these routers for network segmentation face potential data breach risks. Energy sector (ARAMCO subsidiaries) and critical infrastructure operators should assess deployment scope. The vulnerability allows adjacent network access exploitation, making it particularly dangerous in shared network environments common in Saudi office buildings and data centers.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Banking and Financial Services Government and Public Administration Healthcare Education Energy and Utilities Small and Medium Enterprises (SMEs) Retail
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all TP-Link Archer AX53 devices in your network using network scanning tools (nmap, Shodan)
2. Isolate affected routers from critical network segments if immediate patching is not possible
3. Restrict network access to router management interfaces (port 20000 for tdpserver)
4. Monitor for suspicious network traffic patterns targeting router ports

PATCHING GUIDANCE:
1. Update firmware to version 1.3.2 or later (patch available)
2. Access router admin panel and check Settings > System Tools > Firmware Upgrade
3. Download latest firmware from TP-Link Saudi Arabia support portal
4. Perform factory reset after firmware update to clear any potential compromise
5. Change default admin credentials (admin/admin) immediately

COMPENSATING CONTROLS:
1. Implement network segmentation to isolate router management traffic
2. Deploy IDS/IPS rules to detect malformed packets targeting tdpserver (port 20000)
3. Disable remote management features if not required
4. Enable router firewall and disable UPnP if not needed
5. Monitor router logs for segmentation faults or unexpected restarts

DETECTION RULES:
1. Alert on packets with abnormal field lengths to port 20000
2. Monitor for repeated connection attempts to tdpserver module
3. Track router CPU/memory spikes indicating potential exploitation
4. Log all firmware version changes and admin access attempts
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة TP-Link Archer AX53 في شبكتك باستخدام أدوات المسح (nmap, Shodan)
2. عزل الأجهزة المتأثرة عن قطاعات الشبكة الحرجة إذا لم يكن التحديث الفوري ممكناً
3. تقييد الوصول إلى واجهات إدارة جهاز التوجيه (المنفذ 20000 لـ tdpserver)
4. مراقبة أنماط حركة الشبكة المريبة التي تستهدف منافذ جهاز التوجيه

إرشادات التصحيح:
1. تحديث البرنامج الثابت إلى الإصدار 1.3.2 أو أحدث (التصحيح متاح)
2. الوصول إلى لوحة تحكم جهاز التوجيه والذهاب إلى الإعدادات > أدوات النظام > تحديث البرنامج الثابت
3. تحميل أحدث برنامج ثابت من بوابة دعم TP-Link السعودية
4. إجراء إعادة تعيين المصنع بعد تحديث البرنامج الثابت لمسح أي اختراق محتمل
5. تغيير بيانات اعتماد المسؤول الافتراضية (admin/admin) فوراً

الضوابط البديلة:
1. تنفيذ تقسيم الشبكة لعزل حركة إدارة جهاز التوجيه
2. نشر قواعد IDS/IPS للكشف عن الحزم المشوهة التي تستهدف tdpserver (المنفذ 20000)
3. تعطيل ميزات الإدارة البعيدة إذا لم تكن مطلوبة
4. تفعيل جدار الحماية في جهاز التوجيه وتعطيل UPnP إذا لم تكن مطلوبة
5. مراقبة سجلات جهاز التوجيه لأخطاء التقسيم أو إعادة التشغيل غير المتوقعة

قواعد الكشف:
1. تنبيه على الحزم ذات أطوال الحقول غير الطبيعية إلى المنفذ 20000
2. مراقبة محاولات الاتصال المتكررة بوحدة tdpserver
3. تتبع ارتفاعات CPU/الذاكرة في جهاز التوجيه التي تشير إلى استغلال محتمل
4. تسجيل جميع تغييرات إصدار البرنامج الثابت ومحاولات الوصول للمسؤول
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.1 - Asset Management and Inventory Control ECC 2024 A.12.6 - Management of Technical Vulnerabilities ECC 2024 A.14.2 - System Development and Change Management ECC 2024 A.16.1 - Information Security Incident Management
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Hardware and Software Assets SAMA CSF PR.IP-12 - Security Patch Management SAMA CSF DE.CM-8 - Malicious Code Detection SAMA CSF RS.MI-2 - Incident Response and Recovery
🟡 ISO 27001:2022
ISO 27001:2022 A.5.19 - Vulnerability Management ISO 27001:2022 A.8.2 - Asset Management ISO 27001:2022 A.12.6 - Change Management ISO 27001:2022 A.14.2 - System and Application Security
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security Patch Management PCI DSS 11.2 - Vulnerability Scanning PCI DSS 12.2 - Configuration Standards
📦 Affected Products / CPE 1 entries
tp-link:archer_ax53_firmware:1.0
📊 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-122
EPSS0.01%
Exploit No
Patch ✓ Yes
Published 2026-02-03
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-122
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