CRITICAL✓ PATCH🇵🇱 Wersja polska

CVE-2021-41653

CVSS 9.8v3.1pub. 2021-11-13upd. 2026-07-09

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

  • Tp Link Tl Wr840n

    HW
    Tp-Link
    v5

  • Tp Link Tl Wr840n Firmware

    OS
    Tp-Link
    ≤ tl-wr840n\(eu\)_v5_171211
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
Tags
RCE
CWE
References

Related vulnerabilities

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RCE w TP-LINK TL-WR840N poprzez funkcję oal_wan6_setIpAddr

CVE-2022-25060CRITICAL9.8PL ✓same product

Command injection w routerze TP-LINK TL-WR840N przez komponent oal_startPing

CVE-2022-25061CRITICAL9.8PL ✓same product

Command injection w TP-LINK TL-WR840N przez oal_setIp6DefaultRoute

CVE-2020-36178CRITICAL9.8PL ✓same product

Command injection w TP-Link TL-WR840N przez pole adresu IP

CVE-2018-11714CRITICAL9.8PL ✓same product

TP-Link TL-WR840N/TL-WR841N — pominięcie uwierzytelnienia poprzez fałszywy nagłówek Referer