CVE Explorer
CVE-2026-31851
Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout mechanisms on authentication interfaces. An attacker can perform unlimited authentication attempts against endpoints that rely on credential validation, enabling brute-force attacks to guess administrative credentials without restriction.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Nebula 300+","vendor":"Nexxt Solutions","versions":[{"status":"affected","version":"<= 12.01.01.37"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:424a3a2f9afb436181776cf6655852549c18e4902e68107aa3a3db8ed7fce180 · sha256:7ef02c12e7ed6ab1… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:424a3a2f9afb436181776cf6655852549c18e4902e68107aa3a3db8ed7fce180 · sha256:7ef02c12e7ed6ab1… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-307","description":"CWE-307 Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:424a3a2f9afb436181776cf6655852549c18e4902e68107aa3a3db8ed7fce180 · sha256:7ef02c12e7ed6ab1… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://nexxt-connectivity-frontend.s3.amazonaws.com/media/docs/Nebula300+_v12.01.01.37.zip"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:424a3a2f9afb436181776cf6655852549c18e4902e68107aa3a3db8ed7fce180 · sha256:7ef02c12e7ed6ab1… · /containers/cna/references/1
{"url":"https://www.nexxtsolutions.com/connectivity/internal-products/ARN02304U6/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:424a3a2f9afb436181776cf6655852549c18e4902e68107aa3a3db8ed7fce180 · sha256:7ef02c12e7ed6ab1… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.