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Vulnerability record · CVE-2018-20114 · published 2 January 2019

CVE-2018-20114: Dlink dir-818lw firmware os command injection vulnerability

Dlink · Dir 818lw Firmware

On D-Link DIR-818LW Rev.A 2.05.B03 and DIR-860L Rev.B 2.03.B03 devices, unauthenticated remote OS command execution can occur in the soap.cgi service of the cgibin binary via an "&&" substring in the service parameter. NOTE: this issue exists because of an incomplete fix for CVE-2018-6530.

9.8 CVSS 3.1 Critical EPSS 6.7% · top 6.3% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 10.0
6.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

On D-Link DIR-818LW Rev.A 2.05.B03 and DIR-860L Rev.B 2.03.B03 devices, unauthenticated remote OS command execution can occur in the soap.cgi service of the cgibin binary via an "&&" substring in the service parameter. NOTE: this issue exists because of an incomplete fix for CVE-2018-6530.

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

Affected products

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

References

LinkTags
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2018-20114 Exploit
https://github.com/pr0v3rbs/CVE/tree/master/CVE-2018-20114 Exploit

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Related vulnerabilities

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

9.8CVE-2018-6530D-Link DIR router soap.cgi OS command injectionsoap.cgi (soapcgi_main in cgibin) on several D-Link DIR router models fails to sanitize the service parameter, allowing OS command injection. The fla…KEVEPSS 97%analysed9.8CVE-2024-42812Dlink dir-860l firmware classic buffer overflow vulnerabilityIn D-Link DIR-860L v2.03, there is a buffer overflow vulnerability due to the lack of length verification for the SID field in gena.cgi. Attackers wh…EPSS 16%9.8CVE-2024-41611Dlink dir-860l firmware hard-coded credentials vulnerabilityIn D-Link DIR-860L REVA FIRMWARE PATCH 1.10..B04, the Telnet service contains hardcoded credentials, enabling attackers to log in remotely to the Tel…EPSS 0.78%8.8CVE-2019-13481Dlink dir-818lw firmware os command injection vulnerabilityAn issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01. There is a command injection in HNAP1 (exploitable with Authentication…EPSS 8.2%8.8CVE-2019-13482Dlink dir-818lw firmware os command injection vulnerabilityAn issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01. There is a command injection in HNAP1 (exploitable with Authentication…EPSS 8.1%8.8CVE-2019-12786Dlink dir-818lw firmware command injection vulnerabilityAn issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in HNAP1 SetWanSettings via an XML in…EPSS 2.9%8.8CVE-2019-12787Dlink dir-818lw firmware os command injection vulnerabilityAn issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in HNAP1 SetWanSettings via an XML in…EPSS 2.9%6.5CVE-2024-37605Dlink dir-860l firmware null pointer dereference vulnerabilityA NULL pointer dereference in D-Link DIR-860L REVB_FIRMWARE_2.04.B04_ic5b allows attackers to cause a Denial of Service (DoS) via a crafted HTTP requ…EPSS 0.67%

Source: NIST National Vulnerability Database (record CVE-2018-20114), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.