CVE-2020-25110 is a critical vulnerability in the DNS implementation of Ethernut in Nut/OS 5.1, stemming from an unchecked length byte in domain names during DNS queries/responses. This flaw allows for potential Denial-of-Service and possibly Remote Code Execution due to improper memory operations. With a CVSS score of 9.8 (Critical), it presents a high-impact, low-complexity attack vector that requires no user interaction or privileges. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high EPSS and FAUCET Risk Score indicate a significant theoretical risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.1CPE matchmatch criteria | cpe:2.3:o:ethernut:nut\/os:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.