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CVE-2025-5688

Out of Bounds Write in FreeRTOS-Plus-TCP

Published: Jun 4, 2025Updated: Oct 14, 2025 Sources: CVE List NVDCWE-787

Description

We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled. Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.

No summary for this CVE yet.

Weaknesses

Affected Products

Amazon
commercial·US

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

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