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Vulnerability record · CVE-2018-1146 · published 19 April 2018

CVE-2018-1146: Belkin n750 firmware vulnerability

Belkin · N750 Firmware

A remote unauthenticated user can enable telnet on the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to set.cgi. When enabled the telnet session requires no password and provides root access.

7.5 CVSS 3.0 High EPSS 29% · top 1.9%
7.5CVSS 3.0 base score, v2 5.0
29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A remote unauthenticated user can enable telnet on the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to set.cgi. When enabled the telnet session requires no password and provides root access.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2018-08 ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2018-08 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2013-7173Belkin n750 firmware classic buffer overflow vulnerabilityBelkin n750 routers have a buffer overflow.EPSS 2.0%9.8CVE-2018-1143Belkin N750 router command injection via twonky_command.cgiThe Belkin N750 running firmware 1.10.22 fails to sanitize input to twonky_command.cgi, allowing OS command injection. A remote attacker can run arbi…EPSS 55%analysed9.8CVE-2018-1144Belkin n750 firmware os command injection vulnerabilityA remote unauthenticated user can execute commands as root in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to pro…EPSS 6.9%9.8CVE-2018-1145Belkin n750 firmware memory buffer overflow vulnerabilityA remote unauthenticated user can overflow a stack buffer in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to prox…EPSS 25%

Source: NIST National Vulnerability Database (record CVE-2018-1146), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.