CVE-2020-14079
HIGHTRENDnet TEW-827DRU < 2.06b04 Authenticated Stack Overflow via apply.cgi
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 auto_up_fw (or auto_up_lp) with a sufficiently long update_file_name key.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto_up_fw.pdf
Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_fw_overflow.pdf
Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto_up_lp.pdf
Third Party Advisory x_refsource_misc
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_lp_overflow.pdf
Scores
CVSS v3
8.8
EPSS
0.0490
EPSS Percentile
89.7%
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