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Vulnerability record · CVE-2019-13481 · published 10 July 2019

CVE-2019-13481: Dlink dir-818lw firmware os command injection vulnerability

Dlink · Dir 818lw Firmware

An issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01. There is a command injection in HNAP1 (exploitable with Authentication) via shell metacharacters in the MTU field to SetWanSettings.

8.8 CVSS 3.1 High EPSS 8.2% · top 5.3% CWE-78 · OS command injection
8.8CVSS 3.1 base score, v2 9.0
8.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered on D-Link DIR-818LW devices with firmware 2.06betab01. There is a command injection in HNAP1 (exploitable with Authentication) via shell metacharacters in the MTU field to SetWanSettings.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/109131 Third Party AdvisoryVDB Entry
https://github.com/TeamSeri0us/pocs/blob/master/iot/dlink/dir818-3.pdf ExploitThird Party Advisory
http://www.securityfocus.com/bid/109131 Third Party AdvisoryVDB Entry
https://github.com/TeamSeri0us/pocs/blob/master/iot/dlink/dir818-3.pdf ExploitThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2019-13481), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.