VDB
CVE-2025-5688
CVE-2025-5688
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 0.11% · 28.9th percentile
Risk Scores
CVSS 4.0
7.5
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.11%
28.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amazon | FreeRTOS | 2.3.4 |
Exploit Intelligence
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc-repo)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc-repo)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc-repo)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc-repo)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc-repo)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc-repo)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc)
- mbanyamer/CVE-2025-5688-FreeRTOS-Plus-TCP-Out-of-Bounds-Write (github-poc)
…and 9 more exploits
Timeline
- Jun 4, 2025 Coalition ESS Score
- Jun 4, 2025 CVE Published
- Jun 4, 2025 PoC Published
- Jun 4, 2025 PoC Published
- Jun 5, 2025 EPSS Score
- Jun 6, 2025 PoC Published
- Jun 8, 2025 PoC Published
- Jun 9, 2025 Coalition ESS Score
- Jun 16, 2025 EPSS Score
- Jun 26, 2025 EPSS Score
- Jul 7, 2025 EPSS Score
- Jul 18, 2025 EPSS Score