CVE-2021-41653
CVSS v3
9.8
CRITICAL
EPSS Score
76.0 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-11-13
Frequently asked questions
What is 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.
Is CVE-2021-41653 actively exploited?
Active exploitation of CVE-2021-41653 has not been confirmed. Its EPSS score was 76.0% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-41653?
CVE-2021-41653 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-41653 affecting your environment?
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