CVE-2026-4477
Received Received - Intake

Hard-Coded Cryptographic Key Vulnerability in YI Home Camera WPA/WPS

Publication date: 2026-03-20

Last updated on: 2026-04-29

Assigner: VulDB

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.

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Meta Information

Published
2026-03-20
Last Modified
2026-04-29
Generated
2026-07-06
AI Q&A
2026-03-20
EPSS Evaluated
2026-07-05
NVD
CVE-2026-4477
EUVD
EUVD-2026-13600

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
yi_technology yi_home_camera 2.1.1_20171024151200

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-320 Key Management Errors
CWE-321 The product uses a hard-coded, unchangeable cryptographic key.

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Executive Summary

This vulnerability exists in the Yi Technology YI Home Camera 2 version 2.1.1_20171024151200, specifically in an unknown function related to the WPA/WPS component. It allows an attacker within the local network to manipulate the device to use a hard-coded cryptographic key. The attack is complex and difficult to exploit, but the exploit has been publicly disclosed.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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Impact Analysis

If exploited, this vulnerability could allow an attacker on the local network to bypass normal cryptographic protections by forcing the device to use a hard-coded key. This could potentially weaken the security of the device's wireless communications, making it easier for an attacker to intercept or manipulate data. However, the attack is difficult to perform and requires local network access.

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