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

CVE-2021-44628

Severity High
Score 10/10

Summary

A Buffer Overflow vulnerabiltiy exists in TP-LINK WR-886N 20190826 2.3.8 in thee /cloud_config/router_post/login feature, which allows malicious users to execute arbitrary code on the system via a crafted post request.

  • LOW
  • NETWORK
  • NONE
  • COMPLETE
  • COMPLETE
  • COMPLETE

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