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CVE-2020-29557

9.8 · CRITICAL Actively Exploited
Published Jan 29, 2021 dlink CWE-119 EPSS 54.32% (99th pctl)

Overview

CVE-2020-29557 is a critical-severity vulnerability affecting dlink dir-825_r1_firmware. It was published on January 29, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from dlink. Update dir-825_r1_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
dlink dir-825_r1_firmware 0 Affected

Frequently Asked Questions

What is CVE-2020-29557?

CVE-2020-29557 is a critical-severity vulnerability affecting dlink dir-825_r1_firmware. It was published on January 29, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2020-29557?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-29557?

Check the references section for vendor advisories and patches from dlink. Update dir-825_r1_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-29557?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-29557 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.