CVE-2026-31851 describes a vulnerability in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37, where authentication interfaces lack rate limiting or account lockout mechanisms. This CWE-307 flaw allows an adjacent network attacker to perform unlimited brute-force attempts to guess administrative credentials. Rated as High severity (CVSS 7.7), it carries high potential impact on confidentiality, integrity, and availability, despite high attack complexity. There is currently no evidence of active exploitation, public exploit code availability (e.g., Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 12.01.01.37CPE matchmatch criteria | cpe:2.3:o:nexxtsolutions:nebula300plus_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:A/AC:H/AT:N/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
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.