Vulnerability Details CVE-2020-14078
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 wifi_captive_portal_login with a sufficiently long REMOTE_ADDR key.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.038
EPSS Ranking 87.6%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.5
References
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-wifi_captive.pdf
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/wifi_captive_portal_login_overflow.pdf
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-wifi_captive.pdf
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/wifi_captive_portal_login_overflow.pdf
Products affected by CVE-2020-14078
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cpe:2.3:h:trendnet:tew-827dru:-
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cpe:2.3:o:trendnet:tew-827dru_firmware:-
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cpe:2.3:o:trendnet:tew-827dru_firmware:1.04b01
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cpe:2.3:o:trendnet:tew-827dru_firmware:2.04
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cpe:2.3:o:trendnet:tew-827dru_firmware:2.04b03
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cpe:2.3:o:trendnet:tew-827dru_firmware:2.05b11
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cpe:2.3:o:trendnet:tew-827dru_firmware:2.06b04