CVE-2025-34319: totolink n300rt_firmware OS Command Injection

Vulnerability summary

CVE-2025-34319 is a critical (CVSS 9.3) OS Command Injection vulnerability in totolink n300rt_firmware. EPSS estimates a 4.36% chance of exploitation in the next 30 days, higher than 91.1% of scored vulnerabilities.

Timeline

1. 03-12-2025
   PublishedVulnerability first disclosed.
2. 14-05-2026
   Last modifiedVulnerability information updated.

Description

TOTOLINK N300RT wireless router firmware versions prior to V3.4.0-B20250430 (discovered in V2.1.8-B20201030.1539) contain an OS command injection vulnerability in the Boa formWsc handling functionality. An unauthenticated attacker can send specially crafted requests to trigger command execution via the targetAPSsid request parameter.

• 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.