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Vulnerability record · CVE-2020-24580 · published 22 December 2020

CVE-2020-24580: Dlink dsl2888a firmware missing authentication for critical function vulnerability

Dlink · Dsl2888a Firmware

An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. Lack of authentication functionality allows an attacker to assign a static IP address that was once used by a valid user.

7.5 CVSS 3.1 High EPSS 1.3% · top 29.7% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.4
1.3%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 DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. Lack of authentication functionality allows an attacker to assign a static IP address that was once used by a valid user.

CVSS:3.1/AV:A/AC:H/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

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Related vulnerabilities

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

8.8CVE-2020-24579Dlink dsl2888a firmware improper authentication vulnerabilityAn issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. An unauthenticated attacker could bypass authenticati…EPSS 10.0%8.0CVE-2020-24581Dlink dsl2888a firmware os command injection vulnerabilityAn issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It contains an execute_cmd.cgi feature (that is not r…EPSS 14%6.5CVE-2020-24578Dlink dsl2888a firmware uncontrolled search path element vulnerabilityAn issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It has a misconfigured FTP service that allows a mali…EPSS 1.8%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%analysed

Source: NIST National Vulnerability Database (record CVE-2020-24580), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.