AUGUST 4, 2026
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Case File

CVE-2021-4242

MEDIUM · CVSS 6.3 EPSS 3.02% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-11-30 · 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.

Detected Signals
exploit
GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-4242
Severity
MEDIUM
CVSS
6.3
EPSS
3.02%

Original NVD Description

A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.