---
id: CVE-2021-41451
title: >-
  A misconfiguration in HTTP/1.0 and HTTP/1.1 of the web interface in TP-Link
  AX10v1 before V1_211117 allows a remote unauthenticated attacker to send a
  specially crafted HTTP request and receive a misconfigured HTTP/0.9 response,
  potentia…
summary: >-
  A misconfiguration in HTTP/1.0 and HTTP/1.1 of the web interface in TP-Link
  AX10v1 before V1_211117 allows a remote unauthenticated attacker to send a
  specially crafted HTTP request and receive a misconfigured HTTP/0.9 response,
  potentia…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-444
vendor: tp-link
product: archer_ax10_firmware
affected:
  - archer_ax10_firmware < v1_211117
patched:
  - archer_ax10_firmware v1_211117
published: '2021-12-17'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-41451'
references:
  - url: 'https://www.tp-link.com/us/support/download/archer-ax10/v1/#Firmware'
    label: cve@mitre.org
  - url: 'http://ax10v1.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://tp-link.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.tp-link.com/us/support/download/archer-ax10/v1/#Firmware'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.02402
epssPercentile: 0.83337
ingestedAt: '2026-07-06T01:08:17.079Z'
---

## Overview

A misconfiguration in HTTP/1.0 and HTTP/1.1 of the web interface in TP-Link AX10v1 before V1_211117 allows a remote unauthenticated attacker to send a specially crafted HTTP request and receive a misconfigured HTTP/0.9 response, potentially leading into a cache poisoning attack.

## Affected

- `archer_ax10_firmware < v1_211117`

## Remediation

Upgrade past the affected range:

- `archer_ax10_firmware v1_211117`