📦 Dir 820l Firmware

by Dlink

🔍 What is Dir 820l Firmware?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2024-48150

CRITICAL CVSS 9.8 Oct 14, 2024

A stack overflow vulnerability in D-Link DIR-820L routers allows remote attackers to execute arbitrary code by sending specially crafted requests to the affected function. This affects all users runni...

CVE-2023-44809

CRITICAL CVSS 9.8 Oct 16, 2023

D-Link DIR-820L router firmware version 1.05B03 has insecure permissions that allow unauthorized access to sensitive functions. This vulnerability affects all users running this specific firmware vers...

CVE-2023-44807

CRITICAL CVSS 9.8 Oct 6, 2023

This vulnerability in D-Link DIR-820L routers allows remote attackers to execute arbitrary code via a stack overflow in the cancelPing function. Attackers can potentially take full control of affected...

CVE-2023-25280

CRITICAL CVSS 9.8 Mar 16, 2023

This vulnerability allows attackers to execute arbitrary operating system commands with root privileges on D-Link DIR-820L routers by injecting malicious payloads into the ping_addr parameter. Attacke...

CVE-2023-25279

CRITICAL CVSS 9.8 Mar 13, 2023

This CVE describes an OS command injection vulnerability in D-Link DIR-820LA1 routers that allows attackers to execute arbitrary commands with root privileges. Attackers can exploit this by sending a ...

CVE-2022-26258

CRITICAL CVSS 9.8 Mar 28, 2022

This vulnerability allows unauthenticated remote attackers to execute arbitrary commands on D-Link DIR-820L routers via HTTP POST requests to the 'get set ccp' endpoint. Attackers can gain full contro...

CVE-2021-45382

CRITICAL CVSS 9.8 Feb 17, 2022

A critical Remote Command Execution vulnerability exists in multiple D-Link router models via the DDNS function in the ncc2 binary. Attackers can execute arbitrary commands with root privileges on aff...

CVE-2025-52079

HIGH CVSS 8.8 Oct 21, 2025

CVE-2025-52079 allows unauthenticated attackers to change the administrator password on D-Link DIR-820L routers via a crafted POST request to /get_set.ccp. This vulnerability affects all users of the ...

CVE-2023-25283

HIGH CVSS 7.5 Mar 13, 2023

A stack overflow vulnerability in D-Link DIR-820L routers allows attackers to cause denial of service by sending specially crafted requests to the lan.asp endpoint. This affects users of D-Link DIR-82...