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Suzu Labs

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Zero-Day Flaw in TP-Link Cameras Enables Eavesdropping

OPSWAT disclosed two zero-days in TP-Link Tapo C200 cameras: CVE-2026-15315 authentication replay bypass enabling surveillance and CVE-2026-15316 denial-of-service, both patched in firmware.

OPSWAT found two zero-days in the TP-Link Tapo C200 camera, widely used for baby/pet monitoring and SOHO security: CVE-2026-15315, an authentication bypass via replay granting administrative access without the password, and CVE-2026-15316, an unauthenticated denial-of-service that crashes the camera's HTTPS service via oversized encrypted credentials. Both were fixed in firmware version V5_1.4.6 released August 18. A third, still-unpatched zero-day rated critical could allow full camera compromise for use as a network foothold; details await an available fix.

Infosecurity Magazineupdated · 4h agofirst · 8h agoVulnerability 3 sourcesCVE-2026-15315CVE-2026-15316

Related CVEs

  • CVE-2026-153158.7<1%
    Authentication Bypass via Challenge Validation Flaw in TP-Link Tapo C120/C200 Cameras
    TP-Link Tapo C120 (v1) and Tapo C200 (v5) cameras contain an improper authentication vulnerability (CWE-287) in the login authentication verification module, rated high severity at CVSS 4.0 8.7. An attacker already present on the same local network as the camera (adjacent-network attack vector) can exploit weak validation of challenge parameters during the login handshake to bypass normal authentication and obtain administrative session tokens. With these tokens, the attacker can perform privileged management actions, gain unauthorized administrative access to the camera, and temporarily disrupt device services, causing a denial-of-service condition. All consumer and small-business deployments of these specific camera hardware/firmware versions are affected. A public proof-of-concept exists on GitHub, but EPSS is low (0.3% in 30 days) and the flaw is not in the CISA KEV catalog, so exploitation in the wild is not currently observed.
    · tp-link tapo c120 firmware v1 · tp-link tapo c200 firmware v5 PoC mass
  • CVE-2026-153167.1<1%
    Unauthenticated Input Validation DoS in TP-Link Tapo C200 v5 Configuration Service
    CVE-2026-15316 is an improper input validation flaw (CWE-20) in the configuration service of the TP-Link Tapo C200 camera (v5) that processes encrypted credential data. An attacker on an adjacent network can send oversized ciphertext values with no authentication required; insufficient validation causes exception-handling failures that crash or restart the device. The impact is a denial-of-service condition that temporarily disrupts HTTPS management and monitoring until the service recovers, with no confidentiality or integrity impact per the CVSS vector. Anyone running a Tapo C200 v5 camera is affected, though exploitation requires the attacker to reach the device's network (adjacent-network vector). No public proof-of-concept exists, the issue is not in CISA KEV, and EPSS estimates only a 0.2% chance of exploitation within 30 days.
    · TP-Link Tapo C200 firmware v5mass

Appears with

organization OPSWAT 1organization Suzu Labs 1organization TP-Link 1product Tapo C200 1vendor OPSWAT 1vendor TP-Link 1
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