CVE-2020-14079 json
TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary.
published 6y ago modified 4mo ago also EUVD-2020-6238
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
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.
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2.24% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto_up_fw.pdf
third-party-advisory
-
github.com
/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_fw_overflow.pdf
third-party-advisory
-
github.com
/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-auto_up_lp.pdf
third-party-advisory
-
github.com
/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/auto_up_lp_overflow.pdf
third-party-advisory
Sources
- CVE List CVE-2020-14079
- NVD CVE-2020-14079
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