CVE-2026-36958 Denial of service in n/a
An attacker can crash the U-SPEED N300 router's web interface by flooding it with HTTP requests, requiring a manual reboot to restore service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-36958?
CVE-2026-36958 is a high-severity denial of service vulnerability in n/a, published on 30 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-400
Which versions are affected by CVE-2026-36958?
It affects 1 product.
Products include U-Speed N300 Firmware.
How do I fix CVE-2026-36958?
No fix has been published for CVE-2026-36958 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-36958 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36958 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rhr7-g23x-pqh9.