CVE-2026-36958

HIGH

U-SPEED N300 V1.0.0 - DoS

Title source: llm
STIX 2.1

Description

A denial-of-service vulnerability exists in the U-SPEED N300 V1.0.0 wireless router. By sending a large number of concurrent HTTP requests to random or non-existent endpoints on the web management interface, an attacker can exhaust system resources in the embedded Boa HTTP server. This causes the router web interface to become unresponsive and may require manual reboot to restore normal operation.

Exploits (1)

github WORKING POC
by kirubel-cve · poc
https://github.com/kirubel-cve/CVE-2026-36958

Scores

CVSS v3 7.5
EPSS 0.0004
EPSS Percentile 11.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
u-speed/n300_firmware 1.0.0
Published Apr 30, 2026
Tracked Since Apr 30, 2026