Buffer Overflow Vulnerability in TP-Link TL-WR841N V10 Firmware
CVE-2020-8423

7.2HIGH

Key Information:

Vendor
Tp-link
Status
Tl-wr841n Firmware
Vendor
CVE Published:
2 April 2020

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A buffer overflow vulnerability exists in the httpd daemon on TP-Link TL-WR841N V10 devices running firmware version 3.16.9. An authenticated remote attacker could exploit this issue by sending a specially crafted GET request to the Wi-Fi network configuration page. This action may allow the attacker to execute arbitrary code on the device, potentially compromising its security and functionality.

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-2020-8423
Created by lnversed

References

https://www.tp-link.com/us/security
x_refsource_MISC
https://ktln2.org/2020/03/29/exploiting-mips-router/
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.