CVE-2020-14079: Buffer Overflow
First published: Mon Jun 15 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TRENDnet TEW-827DRU | <=2.06b04 | |
| TRENDnet TEW-827DRU firmware |
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Reference Links
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto_up_fw.pdf
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto_up_lp.pdf
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_fw_overflow.pdf
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_lp_overflow.pdf
Frequently Asked Questions
What is the severity of CVE-2020-14079?
CVE-2020-14079 has a high severity rating due to the potential for remote code execution through a buffer overflow.
How do I fix CVE-2020-14079?
To mitigate CVE-2020-14079, upgrade the TRENDnet TEW-827DRU firmware to a version later than 2.06B04.
Who is affected by CVE-2020-14079?
CVE-2020-14079 affects TRENDnet TEW-827DRU devices running firmware version 2.06B04 or lower.
What type of vulnerability is CVE-2020-14079?
CVE-2020-14079 is classified as a stack-based buffer overflow vulnerability.
Can CVE-2020-14079 be exploited remotely?
Yes, CVE-2020-14079 can be exploited remotely by an authenticated user sending a specially crafted POST request.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/trendnet
- canonical/trendnet tew-827dru
- version/trendnet tew-827dru/2.06b04
- canonical/trendnet tew-827dru firmware