Stack-based Buffer Overflow in TRENDnet TEW-827DRU
CVE-2020-14074

8.8HIGH

Key Information:

Vendor

Trendnet

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

What is CVE-2020-14074?

TRENDnet TEW-827DRU devices through version 2.06B04 are susceptible to a stack-based buffer overflow in the ssi binary. This vulnerability can be exploited by an authenticated user who sends a POST request to apply.cgi via the action kick_ban_wifi_mac_allow, using a crafted qcawifi.wifi0_vap0.maclist key of excessive length. Successful exploitation could result in arbitrary code execution on the device, posing significant security risks.

References

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

.