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Vulnerability record · CVE-2021-42784 · published 23 November 2021

CVE-2021-42784: Dlink dwr-932c e1 firmware os command injection vulnerability

Dlink · Dwr 932c E1 Firmware

OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.

9.8 CVSS 3.1 Critical EPSS 7.1% · top 6.0% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 10.0
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.

CVSS:3.1/AV:N/AC:L/PR:N/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
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10246 PatchVendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10246 PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-42784), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.