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TI-2026-54629 Aliases CVE-2026-78577GHSA-7ch5-88j9-f3v7

Unauthenticated Onboarding Scan Information Disclosure in TP-Link Tapo C120 & C200

Priority LOW 23CWE-306Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Tapo C120 v1 and C200 V5 contain a vulnerability in the HTTPS onboarding scan function due to missing authentication. After initial setup, an unauthenticated attacker on the same local network can invoke the scan action and retrieve nearby wireless access-point metadata, including SSIDs, BSSIDs, authentication and encryption modes, and signal-strength information. Successful exploitation may disclose information about the wireless environment surrounding the camera, allowing an attacker to learn elements of the local wireless topology.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00162 5th percentileScored 2026-11-07
Fix Fixed Tapo C200 v5 (TP-Link Systems Inc.): V5_1.4.6 Build 260709 Rel.27675nTapo C120 v1 (TP-Link Systems Inc.): V1_1.9.4 Build 260813 Rel.79754n

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTapo C200 v5before V5_1.4.6 Build 260709 Rel.27675nV5_1.4.6 Build 260709 Rel.27675nPatch availableCNA
TP-LinkTapo C120 v1before V1_1.9.4 Build 260813 Rel.79754nV1_1.9.4 Build 260813 Rel.79754nPatch availableCNA
  • Tapo C200 v5 VendorTP-Link Affected before V5_1.4.6 Build 260709 Rel.27675n Fixed in V5_1.4.6 Build 260709 Rel.27675n Patch available CNA
  • Tapo C120 v1 VendorTP-Link Affected before V1_1.9.4 Build 260813 Rel.79754n Fixed in V1_1.9.4 Build 260813 Rel.79754n Patch available CNA

Remediation

  • Fix · CNA Tapo C200 v5 (TP-Link Systems Inc.) Fixed in V5_1.4.6 Build 260709 Rel.27675n
  • Fix · CNA Tapo C120 v1 (TP-Link Systems Inc.) Fixed in V1_1.9.4 Build 260813 Rel.79754n

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    TP-Link Systems Tapo C120 v1, Tapo C200 v5 — tp-link.com/us/support/faq/5321

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-65366 Unauthenticated Remote Code Execution via MacTool Command Injection in TP-Link Tapo C120 & C200Priority LOW 39
    • TI-2026-54630 Missing authentication in TP-Link Tapo C200 v5Priority LOW 31
    • TI-2026-07939 Unauthenticated Onboarding Connect NULL Pointer Dereference Denial of Service Vulnerability in TP-Link Tapo C120 & C200Priority LOW 30
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-78577
  2. 2026-10-03 Alias added: GHSA-7ch5-88j9-f3v7

References

Patch 4

Advisory 1

  • TI-2023-16571 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… KEVCVSS 3.1HIGH 8.8
  • TI-2023-01313 Command injection in TP-Link Archer AX21 KEVCVSS 3.1HIGH 8.8
  • TI-2020-14907 TP-Link TL-WA855RE V5 20200415-rel37464 devices allow an unauthenticated attacker (on the… KEVCVSS 3.1HIGH 8.8
  • TI-2025-08589 Authenticated RCE via Parental Control command injection KEVCVSS 4.0HIGH 8.6
  • TI-2015-02672 Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317… KEVCVSS 3.1HIGH 7.5
  • TI-2023-27456 Authentication bypass by spoofing in TP-Link TL-WR841N KEVCVSS 3.1MEDIUM 6.5
See all 636 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences