CVE-2021-41653

9.8CRITICAL

Key Information:

Vendor
Tp-link
Status
Tl-wr840n Firmware
Vendor
CVE Published:
13 November 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%

Summary

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.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-41653
Created by likeww

References

http://tp-link.com
x_refsource_MISC
https://www.tp-link.com/us/press/security-advisory/
x_refsource_MISC
https://k4m1ll0.com/cve-2021-41653.html
x_refsource_MISC

EPSS Score

94% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.