CVE-2020-12702

MEDIUM

eWeLink <4.9.2 - Info Disclosure

Title source: llm
STIX 2.1

Description

Weak encryption in the Quick Pairing mode in the eWeLink mobile application (Android application V4.9.2 and earlier, iOS application V4.9.1 and earlier) allows physically proximate attackers to eavesdrop on Wi-Fi credentials and other sensitive information by monitoring the Wi-Fi spectrum during the pairing process.

Exploits (2)

nomisec WORKING POC 5 stars
by salgio · poc
https://github.com/salgio/ESPTouchCatcher
nomisec WRITEUP 1 stars
by salgio · poc
https://github.com/salgio/eWeLink-QR-Code

References (4)

Core 4
Core References
Product, Third Party Advisory x_refsource_misc
https://play.google.com/store/apps/details?id=com.coolkit&hl=en_US
Third Party Advisory x_refsource_misc
https://dl.acm.org/doi/abs/10.1145/3411498.3419965
Exploit, Third Party Advisory x_refsource_misc
https://github.com/salgio/ESPTouchCatcher
Exploit, Third Party Advisory x_refsource_misc
https://www.youtube.com/watch?v=DghYH7WY6iE&feature=youtu.be

Scores

CVSS v3 4.6
EPSS 0.0043
EPSS Percentile 62.6%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-327
Status published
Products (2)
coolkit/ewelink < 4.9.1
coolkit/ewelink < 4.9.2
Published Feb 24, 2021
Tracked Since Feb 18, 2026