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CVE-2026-35019

NetComm NF20MESH routers running firmware R6B031 and earlier contain an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by exploiting a hardcoded AES-256 key used to encrypt session cookies for the web management interface. Attackers can forge a valid encrypted session cookie using the shared hardcoded key and bypass authentication checks to obtain full administrative control of the management interface while any legitimate administrator se
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a1354547c98ea355e57ee25b37b4e526e5cac42c83a6e8d30c885334e6e374eb
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityIm…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"NF20MESH","vendor":"NetComm Wireless Pty Ltd","versions":[{"lessThan":"R6B032","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityIm…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-321","description":"Use of Hard-coded Cryptographic Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["technical-description"],"url":"https://signal11.io/advisories/netcomm-nf20-mesh-authentication-bypass"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/references/0
{"tags":["release-notes","patch"],"url":"https://support.netcommwireless.com/api/Media/Firmware/4407c21d-e990-49a4-9754-b72475f20c76?Product=NF20MESH%20Release%20Notes.pdf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/references/1
{"tags":["product"],"url":"https://support.netcommwireless.com/products/nf20mesh#Firmware"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/references/2
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/netcomm-nf20mesh-r6b032-hardcoded-aes-key-authentication-bypass"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:616fd8d247a7b6739b35de249bd7ff0a5247fb50613f23c8d275f0b43a08392f · sha256:76c4fcaedb919075… · /containers/cna/references/3

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.

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