Buffer Overflow Vulnerability in TRENDnet TEW-827DRU Devices
CVE-2020-14079

8.8HIGH

Key Information:

Vendor

Trendnet

Status
Tew-827dru Firmware
Vendor
CVE Published:
15 June 2020

What is CVE-2020-14079?

TRENDnet TEW-827DRU devices running firmware version up to 2.06B04 are susceptible to a stack-based buffer overflow. This vulnerability occurs in the ssi binary, where an authenticated user can exploit it by sending a specially crafted POST request to the apply.cgi endpoint with a long update_file_name parameter. Successful exploitation allows the execution of arbitrary code, potentially leading to a complete compromise of the affected device.

References

https://github.com/kuc001/IoTFirmware/blob/master/Trendne...
x_refsource_MISC
https://github.com/kuc001/IoTFirmware/blob/master/Trendne...
x_refsource_MISC
https://github.com/kuc001/IoTFirmware/blob/master/Trendne...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.