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CVE-2026-78578.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.1CVSS 4.0 · f23511db-6c3e-4e32-a477-6aa17d310630
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSDeferredModified Oct 01, 2026

Disclosure summary

Tapo C120 v1 and C200 v5 do not enforce authentication for do method HTTPS onboarding connect actions after initial setup. An unauthenticated adjacent attacker can submit unauthorized wireless configuration parameters, causing the camera to attempt connection to a different network. Successful exploitation disconnects the camera from its intended wireless network, making it unreachable on its management address, resulting in a denial-of-service condition.

Source-reported weakness categories

CWE-306

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-78578

Open original source · Updated Oct 01, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

Original records & references

PUBLISHED 2026-10-01T14:17:27-04:00
MODIFIED 2026-10-01T16:36:38-04:00
INGESTED 2026-10-06T11:45:14-04:00