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CVE-2018-3891
An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially…
Medium5.7EPSS 0.40%
- Published
- Updated
- Reserved
- Assigned by
- talos
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| talosCNA (assigner) | 3.0 | Medium5.7 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L |
| NVDNVD · Modified | 3.1 | Medium4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.40% · top 66% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.
Weakness
- Stack-based Buffer Overflow
Affected products
- affected Yi Technology Home Camera 27US 1.8.7.0D
References (1)
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-3891)Record last updated .