Denial of Service Vulnerability in TP-Link TL-WR840N Wireless Router
CVE-2018-15840

7.5HIGH

Key Information:

Vendor
Tp-link
Status
Tl-wr840n Firmware
Vendor
CVE Published:
29 March 2019

Summary

The TP-Link TL-WR840N wireless router is susceptible to a Denial of Service (DoS) attack due to its handling of fragmented packets. Attackers can exploit this vulnerability by sending specially crafted packets to the device, which may result in a significant disruption of network services. This exploit can be executed remotely, allowing malicious actors to incapacitate the router by utilizing commands such as 'nmap -f'. As a result, users might experience a complete networking outage, severely impacting connectivity and performance.

References

https://hackingvila.wordpress.com/2019/02/17/tp-link-wire...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.