CVE-2026-4478 PUBLISHED

Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification

Assigner: VulDB
Reserved: 19.03.2026 Published: 20.03.2026 Updated: 20.03.2026

A vulnerability was identified in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This impacts an unknown function of the file home/web/ipc of the component HTTP Firmware Update Handler. The manipulation leads to improper verification of cryptographic signature. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CVSS Score: 9.2

Product Status

Vendor Yi Technology
Product YI Home Camera
Versions
  • Version 2 2.1.1_20171024151200 is affected

Credits

  • 0rbitingZer0 (VulDB User) reporter
  • VulDB coordinator

References

Problem Types

  • Improper Verification of Cryptographic Signature CWE
  • Insufficient Verification of Data Authenticity CWE