Yi Technology YI Home Camera WPA/WPS hard-coded key
Summary
| CVE | CVE-2026-4477 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-20 07:16:14 UTC |
| Updated | 2026-04-22 21:32:08 UTC |
| Description | A vulnerability was determined in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This affects an unknown function of the component WPA/WPS. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can only be done within the local network. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. |
Risk And Classification
Primary CVSS: v4.0 2.3 LOW from [email protected]
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.000060000 probability, percentile 0.004450000 (date 2026-04-22)
Problem Types: CWE-320 | CWE-321 | CWE-321 Use of Hard-coded Cryptographic Key | CWE-320 Key Management Error
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2.3 | LOW | CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 2.3 | LOW | CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Primary | 3.1 | LOW | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 3.1 | LOW | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| 3.0 | CNA | DECLARED | 3.1 | LOW | CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 1.8 | AV:A/AC:H/Au:N/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 1.8 | AV:A/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
AdjacentAttack Complexity
HighAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
AdjacentAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Yi Technology | YI Home Camera | affected 2 2.1.1_20171024151200 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com | [email protected] | vuldb.com | |
| vuldb.com | [email protected] | vuldb.com | |
| vuldb.com | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: 0rbitingZer0 (VulDB User) (en)
CNA: VulDB (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-03-19T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-03-19T01:00:00.000Z | VulDB entry created |
| CNA | 2026-03-19T21:51:41.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.