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TI-2018-02860 Aliases CVE-2018-3891GHSA-2vx9-h65m-6rg8

An exploitable firmware downgrade vulnerability exists in the firmware update…

Priority LOW 21Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability.

Why it matters now

EPSS 0.00402 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
unknownYi TechnologyYi Technology Home Camera 27US 1.8.7.0D—No fix listedCNA
  • Yi Technology Vendorunknown Affected Yi Technology Home Camera 27US 1.8.7.0D Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:yitechnology:yi_home_camera_firmware:1.8.7.0d:*:*:*:*:*:*:*1.8.7.0dVulnerableYi
cpe:2.3:h:yitechnology:yi_home_camera:-:*:*:*:*:*:*:*not specified by NVDRunning onYi
  • cpe:2.3:o:yitechnology:yi_home_camera_firmware:1.8.7.0d:*:*:*:*:*:*:* Versions 1.8.7.0d Vulnerable ·Yi
  • cpe:2.3:h:yitechnology:yi_home_camera:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yi

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-3891
  2. 2026-10-03 Alias added: GHSA-2vx9-h65m-6rg8

References

Exploit 1

  • TI-2018-02902 An exploitable code execution vulnerability exists in the firmware update functionality… CVSS 3.1CRITICAL 9.8
  • TI-2018-02869 Memory corruption in Yi Technology CVSS 3.1HIGH 8.8
  • TI-2018-02861 Buffer overflow in Yi Technology CVSS 3.1HIGH 8.1
  • TI-2018-02915 Information disclosure in Yi Technology CVSS 3.1HIGH 8.1
  • TI-2018-02878 OS command injection in Yi Technology CVSS 3.1HIGH 8.0
  • TI-2018-02903 Uncontrolled resource consumption in Yi Technology CVSS 3.1HIGH 7.5
See all 11 →

Sources

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