CVE-2020-14080
highpriority · track · 40EPSS 0.023 · 84 %ileEUUSEPSS · scored 2026-10-28
TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an unauthenticated user to execute arbitrary code by POSTing to apply_sec.cgi via the action ping_test with a sufficiently long ping_ipaddr key.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-ping_test.pdfcnnvd
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/ping_test_overflow.pdfcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-14080cnnvd
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-ping_test.pdfenisa_euvd
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/ping_test_overflow.pdfenisa_euvd
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-ping_test.pdfThird Party Advisorynvd
- https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/ping_test_overflow.pdfThird Party Advisorynvd
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