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Vulnerabilities

CVE-2025-62601

High
Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group ). Prior to versions 3.4.1, 3.3.1, and 2.6.11, when the security mode is enabled, m
CWE-122 — Weakness Type
Published: Feb 3, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Fast DDS is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group
). Prior to versions 3.4.1, 3.3.1, and 2.6.11, when the security mode is enabled, modifying the DATA Submessage within an
SPDP packet sent by a publisher causes a heap buffer overflow, resulting in remote termination of Fast-DDS. If the fields
of `PID_IDENTITY_TOKEN` or `PID_PERMISSIONS_TOKEN` in the DATA Submessage — specifically by tampering with the `str_size`
value read by `readString` (called from `readBinaryProperty`) — are modified, a 32-bit integer overflow can occur, causing
`std::vector::resize` to use an attacker-controlled size and quickly trigger heap buffer overflow and remote process term
ination. Versions 3.4.1, 3.3.1, and 2.6.11 patch the issue.

🤖 AI Executive Summary

Fast DDS versions prior to 3.4.1, 3.3.1, and 2.6.11 contain a critical heap buffer overflow vulnerability in security-enabled mode when processing malformed SPDP packets. An attacker can trigger a 32-bit integer overflow by tampering with token size fields, causing remote denial of service through process termination. This vulnerability affects distributed real-time systems commonly deployed in critical infrastructure.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 13:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations utilizing Fast DDS in critical sectors face significant risk: (1) Energy sector (ARAMCO, power utilities) — DDS is widely used in SCADA and industrial control systems for real-time data distribution; (2) Telecommunications (STC, Mobily) — DDS deployment in network management and 5G infrastructure; (3) Government agencies and NCA infrastructure — distributed systems for critical operations; (4) Healthcare institutions — medical device networks relying on DDS for real-time monitoring. Remote DoS attacks could disrupt operational continuity in these sectors.
🏢 Affected Saudi Sectors
Energy (ARAMCO, utilities) Telecommunications (STC, Mobily) Government and Critical Infrastructure Healthcare Industrial Control Systems Defense and Security
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Fast DDS deployments in your environment, particularly those with security mode enabled
2. Assess network exposure — restrict SPDP packet sources to trusted publishers only
3. Implement network segmentation to isolate DDS communication channels

PATCHING:
1. Upgrade to Fast DDS 3.4.1, 3.3.1, or 2.6.11 immediately
2. Test patches in non-production environments first
3. Coordinate patching with operational windows to minimize downtime

COMPENSATING CONTROLS (if immediate patching not possible):
1. Disable DDS security mode temporarily if operationally feasible
2. Implement firewall rules to restrict SPDP traffic (UDP port 7400-7409) to authorized sources only
3. Deploy IDS/IPS rules to detect malformed SPDP packets with suspicious token size values
4. Monitor process crashes and memory errors in DDS applications

DETECTION:
1. Monitor for unexpected Fast DDS process terminations
2. Log and alert on SPDP packets with PID_IDENTITY_TOKEN or PID_PERMISSIONS_TOKEN modifications
3. Track heap memory allocation anomalies in DDS processes
4. Implement application-level monitoring for vector resize operations with suspicious parameters
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نشرات Fast DDS في بيئتك، خاصة تلك التي يكون وضع الأمان فيها مفعلاً
2. تقييم التعرض للشبكة - تقييد مصادر حزم SPDP للناشرين الموثوقين فقط
3. تنفيذ تقسيم الشبكة لعزل قنوات اتصال DDS

التصحيح:
1. الترقية إلى Fast DDS 3.4.1 أو 3.3.1 أو 2.6.11 فوراً
2. اختبار التصحيحات في بيئات غير الإنتاج أولاً
3. تنسيق التصحيح مع نوافذ التشغيل لتقليل وقت التوقف

الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تعطيل وضع أمان DDS مؤقتاً إذا كان ذلك ممكناً من الناحية التشغيلية
2. تنفيذ قواعد جدار الحماية لتقييد حركة SPDP (منافذ UDP 7400-7409) للمصادر المصرح بها فقط
3. نشر قواعد IDS/IPS للكشف عن حزم SPDP المشوهة بقيم حجم رموز مريبة
4. مراقبة أعطال العمليات والأخطاء في الذاكرة في تطبيقات DDS

الكشف:
1. مراقبة إنهاء عملية Fast DDS غير المتوقع
2. تسجيل والتنبيه على حزم SPDP مع تعديلات PID_IDENTITY_TOKEN أو PID_PERMISSIONS_TOKEN
3. تتبع شذوذ تخصيص الذاكرة في عمليات DDS
4. تنفيذ المراقبة على مستوى التطبيق لعمليات تغيير حجم المتجهات بمعاملات مريبة
📋 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 access
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Asset management SAMA CSF PR.DS-6 - Data security SAMA CSF DE.CM-1 - Detection processes and tools
🟡 ISO 27001:2022
ISO 27001:2022 A.12.2.1 - Information and communication technology (ICT) change management ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development policy and procedures
📦 Affected Products / CPE 3 entries
eprosima:fast_dds
eprosima:fast_dds
eprosima:fast_dds:3.4.0
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-122
EPSS0.02%
Exploit No
Patch ✓ Yes
Published 2026-02-03
Source Feed nvd
Views 7
🇸🇦 Saudi Risk Score
8.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
patch-available CWE-122
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