HOMEVULNERABILITIESCVE-2026-36958
HIGH

CVE-2026-36958

CWE-400Published: April 30, 2026· Updated: May 5, 2026

7.5
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:11.9th

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.

NVD Source

Technical Analysis

CVE-2026-36958 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

u-speed2 products
n300 firmwaren300
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/kirubel-cve/CVE-2026-36958

All References (2)

→
http://u-speed.comBroken Link
→
https://github.com/kirubel-cve/CVE-2026-36958Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2026-36958
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-400
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor
PublishedApr 30, 2026

Related CVEs (CWE-400)

CVE-2026-30141
9.8
CVE-2026-8856
9.1
CVE-2026-3505
8.7
CVE-2026-41146
8.7
CVE-2025-32392
8.7
CVE-2026-46385
8.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-36958 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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