CVE-2025-34319 CRITICAL

CVE-2025-34319: TOTOLINK N300RT <= V2.1.8-B20201030.1539 Boa formWsc RCE

Vendor Totolink
Product N300RT
Weakness CWE-78
Published December 3, 2025
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 3, 2025 CVE published
May 14, 2026 Record updated