CVE-2020-14076
HIGHTRENDnet TEW-827DRU < 2.06b04 - Authenticated Stack-Based Buffer Overflow via wan_type Parameter
Title source: llmDescription
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 st_dev_connect, st_dev_disconnect, or st_dev_rconnect with a sufficiently long wan_type key.
References (4)
Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/st_dev_connect_overflow.pdf
Exploit, Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/st_dev_disconnect_overflow.pdf
Exploit, Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/st_dev_rconnect_overflow.pdf
Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-st_dev.pdf
Scores
CVSS v3
8.8
EPSS
0.0640
EPSS Percentile
91.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
trendnet/tew-827dru_firmware
< 2.06b04
Published
Jun 15, 2020
Tracked Since
Feb 18, 2026