CVE-2021-41451: tp-link archer_ax10_firmware HTTP Request/Response Smuggling

Vulnerability summary

CVE-2021-41451 is a high (CVSS 7.5) HTTP Request/Response Smuggling vulnerability in tp-link archer_ax10_firmware. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.4% of scored vulnerabilities.

Timeline

1. 17-12-2021
   PublishedVulnerability first disclosed.
2. 09-07-2026
   Last modifiedVulnerability information updated.

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.

• CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.