Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2025-5688

Good to know:

icon

Date: June 4, 2025

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.

Severity Score

Related Resources (5)

https://aws.amazon.com/security/security-bulletins/AWS-2025-012/
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-5x4f-fvv8-wr65
https://nvd.nist.gov/vuln/detail/CVE-2025-5688
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.2
https://www.mend.io/vulnerability-database/CVE-2025-5688

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

icon

Upgrade Version

Upgrade to version https://github.com/FreeRTOS/FreeRTOS-Plus-TCP.git - V4.3.2

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

Do you need more information?

Contact Us