CVE-2025-5688
Microsoft Windows DNS Buffer Overflow Vulnerability
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.
INFO
Published Date :
June 4, 2025, 5:15 p.m.
Last Modified :
June 5, 2025, 8:12 p.m.
Source :
ff89ba41-3aa1-4d27-914a-91399e9639e5
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-5688.
| URL | Resource |
|---|---|
| https://aws.amazon.com/security/security-bulletins/AWS-2025-012/ |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-5688 vulnerability anywhere in the article.
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Daily CyberSecurity
Amazon Alerts: High-Severity FreeRTOS-Plus-TCP Flaw Needs Immediate Patch!
Amazon has issued a security advisory for a memory corruption vulnerability in the widely used FreeRTOS-Plus-TCP stack. Tracked as CVE-2025-5688, this out-of-bounds write issue scores 8.4 on the CVSS ... Read more
The following table lists the changes that have been made to the
CVE-2025-5688 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by ff89ba41-3aa1-4d27-914a-91399e9639e5
Jun. 04, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-787 Added Reference https://aws.amazon.com/security/security-bulletins/AWS-2025-012/
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-5688 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-5688
weaknesses.