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CVE-2026-21638

A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product. Affected Products: UBB-XG (Version 1.2.2 and earlier) UDB-Pro/UDB-Pro-Sector (Version 1.4.1 and earlier) UBB (Version 3.1.5 and earlier) Mitigation: Update your UBB-XG to Version 1.2.3 or later. Update your UDB-Pro/UDB-Pro-Sector to Version 1.4.2 or later. Update your UBB to Version 3.1.7
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bade700587fe384ac5ebb997bdfc0f4fe569af438d18b6c830d07e5f7c51d581
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","product":"UBB-XG","vendor":"Ubiquiti Inc","versions":[{"lessThan":"1.2.3","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"UDB-Pro/UDB-Pro-Sector","vendor":"Ubiquiti Inc","versions":[{"lessThan":"1.4.2","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"UBB","vendor":"Ubiquiti Inc","versions":[{"lessThan":"3.1.7","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/affected/2

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","product":"UBB-XG","vendor":"Ubiquiti Inc","versions":[{"lessThan":"1.2.3","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"UDB-Pro/UDB-Pro-Sector","vendor":"Ubiquiti Inc","versions":[{"lessThan":"1.4.2","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"UBB","vendor":"Ubiquiti Inc","versions":[{"lessThan":"3.1.7","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/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:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-77","description":"CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-060-060/cde18da7-2bc4-41bb-a9cc-48a4a4c479c1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:394cb044974aa967df50ca278412cf9617c3ee883d9ffa922fa9514fbbaefdf3 · sha256:b0376062b7f407b2… · /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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