CVE-2018-16525 is a critical buffer overflow vulnerability affecting Amazon FreeRTOS (through 1.3.1), FreeRTOS (up to V10.0.1 with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. This flaw, residing in the prvParseDNSReply function during DNS/LLMNR packet parsing, allows remote attackers to execute arbitrary code or leak sensitive information. With a CVSS score of 8.1 (High), the vulnerability is remotely exploitable with high impact on confidentiality, integrity, and availability, though it requires high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the CISA KEV catalog. Despite this, it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.3.1CPE matchmatch criteria | cpe:2.3:a:amazon:amazon_web_services_freertos:*:*:*:*:*:*:*:* | ||
<= 10.0.1CPE matchmatch criteria | cpe:2.3:a:amazon:freertos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.