CVE-2025-52046: totolink a3300r_firmware Command Injection

Vulnerability summary

CVE-2025-52046 is a critical (CVSS 9.8) Command Injection vulnerability in totolink a3300r_firmware. EPSS estimates a 5.31% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 17-07-2025
   PublishedVulnerability first disclosed.
2. 15-09-2025
   Last modifiedVulnerability information updated.

Description

Totolink A3300R V17.0.0cu.596_B20250515 was found to contain a command injection vulnerability in the sub_4197C0 function via the mac and desc parameters. This vulnerability allows unauthenticated attackers to execute arbitrary commands via a crafted request.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.