High severity8.8NVD Advisory· Published Jun 15, 2020· Updated Jun 17, 2026
CVE-2020-14074
CVE-2020-14074
Description
TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action kick_ban_wifi_mac_allow with a sufficiently long qcawifi.wifi0_vap0.maclist key.
Affected products
3- TRENDnet/TEW-827DRUdescription
- Range: <=2.06B04
Patches
Vulnerability mechanics
References
2- github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-kick_ban_wifi.pdfnvdThird Party Advisory
- github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/kick_ban_wifi_mac_allow_overflow.pdfnvdThird Party Advisory
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