Vulnerability · Published Mar 20, 2026 · Assigned by VulDB

CVE-2026-4477Yi Technology YI Home Camera WPA/WPS hard-coded key

Low 3.1

In plain English

A low-severity security flaw in YI Home Camera from Yi Technology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low

Exploit odds (30 days)0.2%top 87.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Yi Technology	YI Home Camera	2 2.1.1_20171024151200

Weakness: CWE-321, CWE-320 · Vector: 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

References

VDB-351767 | Yi Technology YI Home Camera WPA/WPS hard-coded key vdb-entry
VDB-351767 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
Submit #773095 | yitechnology YI Home Camera 2 2.1.1_20171024151200 Hardcoded WPA/WPS third-party-advisory