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Vulnerability record · CVE-2021-42783 · published 23 November 2021

CVE-2021-42783: Dlink dwr-932c e1 firmware missing authentication for critical function vulnerability

Dlink · Dwr 932c E1 Firmware

Missing Authentication for Critical Function vulnerability in debug_post_set.cgi of D-Link DWR-932C E1 firmware allows an unauthenticated attacker to execute administrative actions.

9.8 CVSS 3.1 Critical EPSS 3.9% · top 10.0% CWE-306 · Missing authentication for critical function
9.8CVSS 3.1 base score, v2 10.0
3.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Missing Authentication for Critical Function vulnerability in debug_post_set.cgi of D-Link DWR-932C E1 firmware allows an unauthenticated attacker to execute administrative actions.

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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Related vulnerabilities

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

9.8CVE-2021-42784Dlink dwr-932c e1 firmware os command injection vulnerabilityOS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted H…EPSS 7.1%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed9.8CVE-2026-56164Microsoft SharePoint Server missing authentication allows privilege elevationMicrosoft Office SharePoint Server contains a missing authentication flaw in a critical function (CWE-306), letting an unauthenticated attacker reach…KEVEPSS 1.0%analysed9.8CVE-2026-20253Splunk Enterprise PostgreSQL sidecar missing authentication allows file writesSplunk Enterprise 10.2 below 10.2.4 and 10.x below 10.0.7 expose a PostgreSQL sidecar service endpoint that lacks authentication controls. Any networ…KEVEPSS 97%analysed9.8CVE-2026-35273Oracle PeopleSoft PeopleTools missing authentication allows takeoverOracle PeopleSoft Enterprise PeopleTools (Updates Environment Management component) in versions 8.61 and 8.62 is missing authentication for a critica…KEVEPSS 9.4%analysed

Source: NIST National Vulnerability Database (record CVE-2021-42783), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.