📄 Description (English)
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/formPolicyRouteConf. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
A critical remote buffer overflow vulnerability exists in UTT 520W firmware version 1.7.7-180627 affecting the /goform/formPolicyRouteConf endpoint. The vulnerability allows unauthenticated remote attackers to execute arbitrary code through the GroupName parameter via strcpy function misuse. With public exploit availability and vendor non-responsiveness, immediate patching is essential for all affected deployments in Saudi networks.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 22, 2026 12:31
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications infrastructure (STC, Mobily, Zain) and government networks utilizing UTT 520W routers for network segmentation and policy enforcement. Banking sector (SAMA-regulated institutions) faces critical risk if these devices manage payment network segments. Energy sector (ARAMCO, SEC) deployments are at risk for operational technology network compromise. Government agencies (NCA, CITC) using these devices for network access control face potential unauthorized access and data exfiltration. Healthcare institutions using these routers for network isolation could experience patient data breaches.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain)
Banking and Financial Services (SAMA-regulated)
Energy (ARAMCO, SEC)
Government (NCA, CITC, Ministry of Interior)
Healthcare
Critical Infrastructure
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all UTT 520W devices running firmware 1.7.7-180627 across your infrastructure using network scanning tools
2. Isolate affected devices from untrusted networks or implement network segmentation to restrict access to /goform/formPolicyRouteConf endpoint
3. Implement firewall rules blocking external access to port 80/443 on affected devices
4. Enable access logs and monitor for suspicious POST requests to /goform/formPolicyRouteConf with GroupName parameters
PATCHING GUIDANCE:
1. Contact UTT vendor immediately for firmware updates beyond 1.7.7-180627
2. Test patches in isolated lab environment before production deployment
3. Schedule maintenance windows for firmware updates on all affected devices
4. Verify patch installation by confirming firmware version post-update
COMPENSATING CONTROLS (if patch unavailable):
1. Implement Web Application Firewall (WAF) rules to block requests containing suspicious GroupName parameter values
2. Restrict administrative access to device management interfaces to authorized IP ranges only
3. Disable remote management capabilities if not required
4. Implement rate limiting on /goform endpoints
DETECTION RULES:
1. Monitor for POST requests to /goform/formPolicyRouteConf with GroupName parameters exceeding 256 bytes
2. Alert on any strcpy-related memory access violations in device logs
3. Track failed authentication attempts followed by policy route configuration changes
4. Monitor for unexpected process execution or privilege escalation on affected devices
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة UTT 520W التي تعمل بالإصدار 1.7.7-180627 عبر البنية التحتية باستخدام أدوات المسح
2. عزل الأجهزة المتأثرة عن الشبكات غير الموثوقة أو تطبيق تقسيم الشبكة لتقييد الوصول إلى نقطة النهاية
3. تطبيق قواعد جدار الحماية لحظر الوصول الخارجي إلى المنافذ 80/443
4. تفعيل سجلات الوصول ومراقبة طلبات POST المريبة
إرشادات التصحيح:
1. الاتصال بمورد UTT فورًا للحصول على تحديثات البرنامج الثابت
2. اختبار التصحيحات في بيئة معزولة قبل النشر
3. جدولة نوافذ الصيانة لتحديث البرنامج الثابت
4. التحقق من تثبيت التصحيح بتأكيد إصدار البرنامج الثابت
الضوابط البديلة:
1. تطبيق قواعد جدار تطبيقات الويب لحظر الطلبات المريبة
2. تقييد الوصول الإداري إلى نطاقات IP معتمدة فقط
3. تعطيل إمكانيات الإدارة البعيدة إذا لم تكن مطلوبة
4. تطبيق تحديد معدل على نقاط نهاية /goform
قواعد الكشف:
1. مراقبة طلبات POST بمعاملات GroupName تتجاوز 256 بايت
2. التنبيه على انتهاكات الوصول إلى الذاكرة
3. تتبع محاولات المصادقة الفاشلة متبوعة بتغييرات التكوين
4. مراقبة تنفيذ العمليات غير المتوقعة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.14.2.1 - Secure development policy
ECC 2024 A.12.2.1 - Monitoring and logging of network activities
ECC 2024 A.13.1.3 - Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset Management and Vulnerability Assessment
SAMA CSF PR.IP-12 - Security patch management
SAMA CSF DE.CM-1 - Detection and monitoring systems
SAMA CSF RS.MI-2 - Incident response and containment
🟡 ISO 27001:2022
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
ISO 27001:2022 A.14.2.1 - Secure development and change management
ISO 27001:2022 A.8.1.1 - Inventory of assets
ISO 27001:2022 A.12.2.1 - Monitoring and logging
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patch management
PCI DSS 11.2 - Vulnerability scanning
PCI DSS 12.2 - Configuration standards for system components
🔗 References & Sources 4
🔗
https://github.com/cymiao1978/cve/blob/main/new/39.md
cna@vuldb.com
Exploit
Third Party Advisory
🔗
https://vuldb.com/?ctiid.344637
cna@vuldb.com
Permissions Required
VDB Entry
🔗
https://vuldb.com/?id.344637
cna@vuldb.com
Third Party Advisory
VDB Entry
🔗
https://vuldb.com/?submit.745264
cna@vuldb.com
Third Party Advisory
VDB Entry
📦 Affected Products / CPE 1 entries
utt:520w_firmware:1.7.7-180627