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%

What is CVE-2021-41653?

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.

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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

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

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