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Vulnerability record · CVE-2021-41451 · published 17 December 2021

CVE-2021-41451: Tp-link archer ax10 firmware http request smuggling vulnerability

Tp Link · Archer Ax10 Firmware

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.

7.5 CVSS 3.1 High EPSS 2.4% · top 16.6% CWE-444 · HTTP request smuggling
7.5CVSS 3.1 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
9 Jul 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tp-link.com/us/support/download/archer-ax10/v1/#Firmware Product
https://www.tp-link.com/us/support/download/archer-ax10/v1/#Firmware Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-41451), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.