CVE-2019-20216
Last modified
CVE-2019-20216 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via the urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because REMOTE_PORT is mishandled. The value of the urn: service/device is checked with the strstr function, which allows an attacker to concatenate arbitrary commands separated by shell metacharacters.. EPSS estimates a 3.67% chance of exploitation in the next 30 days.
Description
D-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via the urn: to the M-SEARCH method in ssdpcgi() in /htdocs/cgibin, because REMOTE_PORT is mishandled. The value of the urn: service/device is checked with the strstr function, which allows an attacker to concatenate arbitrary commands separated by shell metacharacters.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Dlink | Dir-859 Firmware | 1.05 | — |
| Dlink | Dir-859 Firmware | 1.06b01 | Beta01 |
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147Patch, Vendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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