Critical severity9.8NVD Advisory· Published Nov 13, 2021· Updated Jul 9, 2026
CVE-2021-41653
CVE-2021-41653
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:*Range: <=tl-wr840n\(eu\)_v5_171211
- TP-Link/TL-WR840N EU v5description
Patches
Vulnerability mechanics
References
2- k4m1ll0.com/cve-2021-41653.htmlnvdExploitThird Party Advisory
- www.tp-link.com/us/press/security-advisory/nvdVendor Advisory
News mentions
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