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Case File

CVE-2021-43722

CRITICAL · CVSS 9.8 EPSS 3.11% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-31 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-43722
Severity
CRITICAL
CVSS
9.8
EPSS
3.11%

Original NVD Description

D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction header onto the stack and has no limit on the size.

Related CVEs

Other vulnerabilities affecting the same vendor(s)