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CVE-2026-31846

Missing authentication in the /goform/ate endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows an adjacent unauthenticated attacker to retrieve sensitive device information, including the administrator password. The endpoint returns a raw response containing parameters such as Login_PW, which is Base64-encoded. An attacker can decode this value to obtain valid administrative credentials and authenticate to the device.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:998c64c25fc3a7751f3003a514e1623fccd118fccdc5e8065ae03bba45c5c85d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 3 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"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:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"accessComplexity":"LOW","accessVector":"ADJACENT_NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":6.1,"confidentialityImpact":"COMPLETE","integrityImpact":"NONE","vectorString":"AV:A/AC:L/Au:N/C:C/I:N/A:N","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/metrics/2/cvssV2_0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Nebula 300+ / Tenda F3 V2.0 Firmware","vendor":"Nexxt Solutions","versions":[{"status":"affected","version":"<= 12.01.01.37"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/affected/0

Provider-owned CVSS observations

3 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"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:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"accessComplexity":"LOW","accessVector":"ADJACENT_NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":6.1,"confidentialityImpact":"COMPLETE","integrityImpact":"NONE","vectorString":"AV:A/AC:L/Au:N/C:C/I:N/A:N","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/metrics/2/cvssV2_0

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["product"],"url":"https://nexxt-connectivity-frontend.s3.amazonaws.com/media/docs/Nebula300+_v12.01.01.37.zip"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /containers/cna/references/1
{"tags":["product"],"url":"https://www.nexxtsolutions.com/connectivity/internal-products/ARN02304U6/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8c099982ba95c9f31976bb367ded3d8cfbd5db6b7e332d83df25b98e44dd416 · sha256:82b64b73ec45fc72… · /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.

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