CVE-2026-36959

HIGH

U-SPEED N300 V1.0.0 - Auth Bypass

Title source: llm
STIX 2.1

Description

U-SPEED N300 router V1.0.0 does not implement rate limiting or account lockout protections on the /api/login endpoint. This allows an attacker on the local network to perform unlimited authentication attempts, enabling brute-force attacks against the administrator account and potential unauthorized access to the router management interface.

Exploits (1)

github WRITEUP
by kirubel-cve · poc
https://github.com/kirubel-cve/CVE-2026-36959

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 18.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-307
Status published
Products (1)
u-speed/n300_firmware 1.0.0
Published Apr 30, 2026
Tracked Since Apr 30, 2026