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Vulnerabilities

CVE-2026-4862

High
A security vulnerability has been detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This issue affects the function strcpy of the file /goform/formConfigDnsFilterGlobal of the component Paramete
CWE-119 — Weakness Type
Published: Mar 26, 2026  ·  Modified: Apr 2, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

A security vulnerability has been detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This issue affects the function strcpy of the file /goform/formConfigDnsFilterGlobal of the component Parameter Handler. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

🤖 AI Executive Summary

A critical buffer overflow vulnerability exists in UTT HiPER 1250GW network devices (versions up to 3.2.7-210907-180535) affecting the DNS filter configuration parameter handler. The vulnerability allows remote attackers to execute arbitrary code by manipulating the GroupName parameter through the /goform/formConfigDnsFilterGlobal endpoint. With no patch currently available and public exploit disclosure, this poses immediate risk to organizations using these devices in their network infrastructure.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 13:55
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi telecommunications operators (STC, Mobily, Zain) and ISPs using UTT HiPER 1250GW devices for network management and DNS filtering. Government agencies (NCA, CITC) managing critical network infrastructure are at high risk. Banking sector organizations (SAMA-regulated banks) relying on these devices for network security could face service disruption and data compromise. Energy sector (ARAMCO, power utilities) using these devices in operational technology networks face potential system compromise. Healthcare organizations using these devices for network filtering are vulnerable to patient data exposure.
🏢 Affected Saudi Sectors
Telecommunications (STC, Mobily, Zain) Government (NCA, CITC) Banking (SAMA-regulated institutions) Energy (ARAMCO, power utilities) Healthcare Internet Service Providers
⚖️ Saudi Risk Score (AI)
8.9
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all UTT HiPER 1250GW devices in your network using asset discovery tools
2. Isolate affected devices from untrusted networks or implement network segmentation
3. Disable remote access to the /goform/formConfigDnsFilterGlobal endpoint if possible
4. Implement strict firewall rules limiting access to device management interfaces to authorized IPs only
5. Monitor device logs for suspicious DNS filter configuration attempts

COMPENSATING CONTROLS (until patch available):
6. Deploy Web Application Firewall (WAF) rules to block requests containing suspicious GroupName parameters
7. Implement rate limiting on the /goform/formConfigDnsFilterGlobal endpoint
8. Use network intrusion detection/prevention systems (IDS/IPS) to detect buffer overflow attempts
9. Restrict administrative access to device configuration interfaces via VPN only
10. Enable detailed logging and alerting on all configuration changes

DETECTION RULES:
- Monitor HTTP POST requests to /goform/formConfigDnsFilterGlobal with unusually long GroupName parameters (>256 bytes)
- Alert on any configuration changes to DNS filter settings
- Track failed authentication attempts to device management interfaces
- Monitor for process execution or system calls following configuration requests

PATCHING:
11. Contact UTT for security updates or firmware patches
12. Prepare for emergency firmware upgrade once patch is released
13. Test patches in isolated lab environment before production deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة UTT HiPER 1250GW في شبكتك باستخدام أدوات اكتشاف الأصول
2. عزل الأجهزة المتأثرة عن الشبكات غير الموثوقة أو تطبيق تقسيم الشبكة
3. تعطيل الوصول البعيد إلى نقطة النهاية /goform/formConfigDnsFilterGlobal إن أمكن
4. تطبيق قواعد جدار الحماية الصارمة لتحديد الوصول إلى واجهات إدارة الجهاز للعناوين المصرح بها فقط
5. مراقبة سجلات الجهاز للمحاولات المريبة لتكوين مرشح DNS

الضوابط البديلة (حتى توفر التصحيح):
6. نشر قواعد جدار تطبيقات الويب (WAF) لحجب الطلبات التي تحتوي على معاملات GroupName مريبة
7. تطبيق تحديد معدل على نقطة النهاية /goform/formConfigDnsFilterGlobal
8. استخدام أنظمة كشف/منع الاختراق في الشبكة (IDS/IPS) للكشف عن محاولات تجاوز المخزن المؤقت
9. تقييد الوصول الإداري إلى واجهات تكوين الجهاز عبر VPN فقط
10. تفعيل السجلات التفصيلية والتنبيهات على جميع تغييرات التكوين

قواعد الكشف:
- مراقبة طلبات HTTP POST إلى /goform/formConfigDnsFilterGlobal بمعاملات GroupName طويلة بشكل غير عادي (>256 بايت)
- التنبيه على أي تغييرات في إعدادات مرشح DNS
- تتبع محاولات المصادقة الفاشلة لواجهات إدارة الجهاز
- مراقبة تنفيذ العمليات أو استدعاءات النظام بعد طلبات التكوين

التصحيح:
11. الاتصال بـ UTT للحصول على تحديثات الأمان أو تصحيحات البرامج الثابتة
12. التحضير للترقية الطارئة للبرنامج الثابت بمجرد إصدار التصحيح
13. اختبار التصحيحات في بيئة معملية معزولة قبل نشرها في الإنتاج
📋 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 of system use ECC 2024 A.13.1.3 - Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Asset Management SAMA CSF PR.DS-6 - Data Security SAMA CSF DE.CM-1 - Detection Processes SAMA CSF RS.MI-2 - Incident Response Procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development policy ISO 27001:2022 A.13.1.3 - Segregation of networks ISO 27001:2022 A.12.2.1 - Monitoring of system use
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 11.2 - Vulnerability scanning PCI DSS 1.1 - Firewall configuration standards
📊 CVSS Score
8.8
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
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 Score8.8
CWECWE-119
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-03-26
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.9
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-119
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