CRITICAL · 9.8

CVE-2021-41653

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.

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Tp-LinkTl-Wr840N Firmware<= tl-wr840n\(eu\)_v5_171211
Tp-LinkTl-Wr840Nv5

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-41653?

CVE-2021-41653 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2021-41653?

CVE-2021-41653 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-41653?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr840N Firmware, Tp-Link Tl-Wr840N.