VULNERABILITY INTELLIGENCE

CVE-2021-27941

CVSS score4.6 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2021-05-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

Unconstrained Web access to the device's private encryption key in the QR code pairing mode in the eWeLink mobile application (through 4.9.2 on Android and through 4.9.1 on iOS) allows a physically proximate attacker to eavesdrop on Wi-Fi credentials and other sensitive information by monitoring the Wi-Fi spectrum during a device pairing process.

Weakness classification

  • nvd@nist.gov: CWE-522

Primary references