CVE-2021-41653

critical · 9.8

A public exploit / detection template exists

Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →

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.

9.8

CVSS

76.0%

EPSS (exploit prob.)

100th

EPSS percentile

2021-11-13

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-94

Affected products

Vendor	Product	Affected versions
tp-link	tl-wr840n_firmware	<= tl-wr840n\(eu\)_v5_171211
tp-link	tl-wr840n	v5

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-41653