CVE-2020-29557

9.8 CRITICAL CISA KEV - Actively Exploited

Published: January 29, 2021 Modified: November 07, 2025

Description

An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://shaqed.github.io/dlink/

Source: cve@mitre.org

Broken Link Exploit Third Party Advisory

https://www.dlink.ru/ru/download2/5/19/2354/441/

Source: cve@mitre.org

Product

https://shaqed.github.io/dlink/

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Exploit Third Party Advisory

https://www.dlink.ru/ru/download2/5/19/2354/441/

Source: af854a3a-2127-422b-91ae-364da2661108

Product

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

89.8%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-05-03

Weaknesses (CWE)

CWE-119 CWE-119

Affected Vendors

dlink

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