TOTOLINK N300RT <= V2.1.8-B20201030.1539 Boa formWsc RCE

Advisories

severity: high
date: December 3, 2025
Affecting: N300RT firmware < V3.4.0-B20250430
CVE: CVE-2025-34319
CWE: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: TOTOLINK N300RT Firmware Download
TOTOLINK N300RT Product Webpage
Credit: YuChieh Kuo, ShiYi Xie, Zhen-Gao Liu
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.