CVE-2021-41437: asus rt-ax88u_firmware Injection

Vulnerability summary

CVE-2021-41437 is a medium (CVSS 6.5) Injection vulnerability in asus rt-ax88u_firmware. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.4% of scored vulnerabilities.

Timeline

1. 26-09-2022
   PublishedVulnerability first disclosed.
2. 21-05-2025
   Last modifiedVulnerability information updated.

Description

An HTTP response splitting attack in web application in ASUS RT-AX88U before v3.0.0.4.388.20558 allows an attacker to craft a specific URL that if an authenticated victim visits it, the URL will give access to the cloud storage of the attacker.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.