Remote Code Execution Vulnerability in TP-Link Router
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 91%

Summary

The PING function on the TP-Link TL-WR840N EU v5 router is susceptible to a remote code execution vulnerability. This flaw allows attackers to send a crafted payload through the IP address input field, potentially leading to unauthorized access and control over the device. Users are advised to update their firmware to mitigate risks.

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

91% 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

.