CVE-2020-14079

moderate-risk
Published 2020-06-15

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.

Do I need to act?

~
4.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Trendnet

References (8)

Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_fw_ov...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_lp_ov...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_fw_ov...
Third Party Advisory https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_lp_ov...
43
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 8/34 · Low
Exposure 5/34 · Minimal