CVE-2026-36959

7.5 highEPSS 0.3%

High (7.5) in u-speed n300 firmware. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-307
Published: 2026-04-30
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

Affected

u-speed:n300_firmware

References

https://github.com/kirubel-cve/CVE-2026-36959
https://github.com/kirubel-cve/CVE-2026-36959

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