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Vulnerability record · CVE-2025-34319 · published 3 December 2025

CVE-2025-34319: OS command injection vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 4.4% · top 9.1% CWE-78 · OS command injection Deferred
9.3CVSS 4.0 base score
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://totolink.tw/support_view/N300RT
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/154/ids/36.html
https://www.vulncheck.com/advisories/totolink-n300rt-boa-formwsc-rce

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Source: NIST National Vulnerability Database (record CVE-2025-34319), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.