EUVD-2025-209606Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
5DescriptionCVE.org
An issue in Eprosima Micro-XREC-DDS Agent v.3.0.1 allows a remote attacker to cause a denial of service via a packet specially crafted to bear a non-valid value in any Boolean field.
AnalysisAI
Remote denial of service in Eprosima Micro-XRCE-DDS Agent 3.0.1 allows unauthenticated network attackers to crash the DDS agent by sending malformed packets containing invalid boolean field values. The vulnerability is automatable (per SSVC) with proof-of-concept code publicly available, requiring no privileges or user interaction (CVSS AV:N/AC:L/PR:N/UI:N), making it trivial to exploit against internet-exposed DDS deployments. EPSS data not available but SSVC classifies as automatable with partial technical impact.
Technical ContextAI
Micro-XRCE-DDS (Extremely Resource Constrained Environments - Data Distribution Service) is a lightweight publish-subscribe middleware protocol used in IoT, robotics, and embedded systems for real-time data exchange. The Agent component acts as a bridge between XRCE clients and standard DDS networks. This vulnerability stems from improper input validation (CWE-400: Uncontrolled Resource Consumption) in the packet parsing logic. When processing XRCE protocol messages, the agent fails to validate boolean field values properly, allowing specially crafted packets with non-standard boolean representations (values other than 0x00 or 0x01) to trigger resource exhaustion or crash conditions. The affected serialization layer does not enforce strict type checking on incoming network data before processing, leading to undefined behavior when invalid boolean values are encountered during deserialization.
RemediationAI
Organizations should immediately review the vendor's GitHub issue tracker at https://github.com/eProsima/Micro-XRCE-DDS-Agent/issues/389 for official patch guidance, as no specific fix version is documented in available vulnerability data at time of analysis. Until a vendor-released patch is confirmed and deployed, implement network-layer compensating controls: restrict Micro-XRCE-DDS Agent network exposure using firewall rules to allow connections only from trusted client IP ranges, deploy the agent behind a VPN or private network segment isolated from the internet, and implement rate limiting on inbound XRCE protocol traffic to mitigate automated exploitation attempts. For critical deployments, consider placing a protocol-aware reverse proxy or DDS gateway in front of the agent to validate and sanitize boolean field values before forwarding packets (note: this requires deep packet inspection capability for XRCE protocol and may introduce latency unsuitable for real-time systems). Monitor agent process health and implement automated restart mechanisms to restore service quickly if crashes occur, though this does not prevent exploitation and may mask ongoing attacks. These mitigations reduce attack surface but do not eliminate the vulnerability-patching remains the only complete remediation once available.
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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