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Global apt Managed Service Providers (MSPs) / IT Services HIGH 4h Global vulnerability Enterprise Software HIGH 4h Global general Cybersecurity Operations HIGH 4h Global general Cybersecurity Industry LOW 4h Global supply_chain Multiple Sectors CRITICAL 4h Global vulnerability Government/Federal Agencies HIGH 4h Global malware Enterprise/Multiple Sectors CRITICAL 5h Global data_breach E-commerce and Retail CRITICAL 5h Global vulnerability Government and Public Administration CRITICAL 5h Global vulnerability Physical Security and Surveillance CRITICAL 6h Global apt Managed Service Providers (MSPs) / IT Services HIGH 4h Global vulnerability Enterprise Software HIGH 4h Global general Cybersecurity Operations HIGH 4h Global general Cybersecurity Industry LOW 4h Global supply_chain Multiple Sectors CRITICAL 4h Global vulnerability Government/Federal Agencies HIGH 4h Global malware Enterprise/Multiple Sectors CRITICAL 5h Global data_breach E-commerce and Retail CRITICAL 5h Global vulnerability Government and Public Administration CRITICAL 5h Global vulnerability Physical Security and Surveillance CRITICAL 6h Global apt Managed Service Providers (MSPs) / IT Services HIGH 4h Global vulnerability Enterprise Software HIGH 4h Global general Cybersecurity Operations HIGH 4h Global general Cybersecurity Industry LOW 4h Global supply_chain Multiple Sectors CRITICAL 4h Global vulnerability Government/Federal Agencies HIGH 4h Global malware Enterprise/Multiple Sectors CRITICAL 5h Global data_breach E-commerce and Retail CRITICAL 5h Global vulnerability Government and Public Administration CRITICAL 5h Global vulnerability Physical Security and Surveillance CRITICAL 6h
Vulnerabilities

CVE-2026-8764

High
CWE-119 — Weakness Type
Published: May 17, 2026  ·  Modified: May 24, 2026  ·  Source: NVD
CVSS v3
7.2
🔗 NVD Official
📄 Description (English)

A security vulnerability has been detected in H3C Magic B3 up to 100R002. This affects the function UpdateWanParams of the file /goform/aspForm. Such manipulation of the argument param leads to buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

🤖 AI Executive Summary

A buffer overflow vulnerability exists in H3C Magic B3 devices up to version 100R002 in the UpdateWanParams function, allowing remote attackers to execute arbitrary code. The vulnerability is exploitable via manipulation of the param argument in /goform/aspForm and has been publicly disclosed with no vendor response.

📄 Description (Arabic)

تؤثر هذه الثغرة على أجهزة H3C Magic B3 حتى الإصدار 100R002 وتسمح بتجاوز المخزن المؤقت عند معالجة معاملات معينة في وظيفة UpdateWanParams. يمكن للمهاجمين البعيدين استغلال هذه الثغرة لتنفيذ كود تعسفي على الجهاز المتأثر.

🤖 ملخص تنفيذي (AI)

ثغرة تجاوز المخزن المؤقت موجودة في أجهزة H3C Magic B3 حتى الإصدار 100R002 في وظيفة UpdateWanParams، مما يسمح للمهاجمين البعيدين بتنفيذ كود تعسفي. الثغرة قابلة للاستغلال من خلال التلاعب بمعامل param في /goform/aspForm وتم الكشف عنها علنًا بدون رد من البائع.

🤖 AI Intelligence Analysis Analyzed: May 21, 2026 06:01
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade H3C Magic B3 devices to a patched version beyond 100R002. If patched versions are unavailable, implement network segmentation to restrict access to the /goform/aspForm endpoint, disable remote management interfaces, and monitor for exploitation attempts. Apply WAF rules to block malicious param arguments.
🔧 خطوات المعالجة (العربية)
قم بترقية أجهزة H3C Magic B3 فورًا إلى إصدار مصحح يتجاوز 100R002. إذا لم تكن الإصدارات المصححة متاحة، قم بتطبيق تقسيم الشبكة لتقييد الوصول إلى نقطة نهاية /goform/aspForm، وتعطيل واجهات الإدارة البعيدة، ومراقبة محاولات الاستغلال. طبق قواعد جدار الحماية لحجب معاملات param الضارة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2.1 2.2 3.1
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.DS-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.2.1
📊 CVSS Score
7.2
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredH — High
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.2
CWECWE-119
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-05-17
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-119
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