AUGUST 4, 2026
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Case File

CVE-2021-43711

CRITICAL · CVSS 9.8 EPSS 37.84% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-04 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-43711
Severity
CRITICAL
CVSS
9.8
EPSS
37.84%

Original NVD Description

The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.