AUGUST 4, 2026
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Case File

CVE-2021-41653

CRITICAL · CVSS 9.8 EPSS 75.88% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-13 · 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. Its EPSS score suggests a 75.9% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2021-41653
Severity
CRITICAL
CVSS
9.8
EPSS
75.88%

Original NVD Description

The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payload in an IP address input field.

Related CVEs

Other vulnerabilities affecting the same vendor(s)