CVE-2024-27521: totolink a3300r_firmware OS Command Injection

Vulnerability summary

CVE-2024-27521 is a high (CVSS 8.0) OS Command Injection vulnerability in totolink a3300r_firmware. EPSS estimates a 1.50% chance of exploitation in the next 30 days, higher than 74% of scored vulnerabilities.

Timeline

1. 26-03-2024
   PublishedVulnerability first disclosed.
2. 09-08-2024
   Last modifiedVulnerability information updated.

Description

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote command execution (RCE) vulnerability via multiple parameters in the "setOpModeCfg" function. This security issue allows an attacker to take complete control of the device. In detail, exploitation allows unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges (i.e., as user "root").

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.