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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2021-44625

Severity High
Score 9.8/10

Summary

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in /cloud_config/cloud_device/info interface, which allows a malicious user to executee arbitrary code on the system via a crafted post request.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published