Dir 820L Firmware
CVE-2024-51186
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.0 (HIGH). Attack characteristics: adjacent network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to inject arbitrary commands into system command execution. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
D-Link DIR-820L 1.05b03 was discovered to contain a remote code execution (RCE) vulnerability via the ping_addr parameter in the ping_v4 and ping_v6 functions. Rated high severity (CVSS 8.0), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. D-Link DIR-820L 1.05b03 was discovered to contain a remote code execution (RCE) vulnerability via the ping_addr parameter in the ping_v4 and ping_v6 functions. Affected products include: Dlink Dir-820L Firmware.
Know when Dir 820L Firmware gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
DescriptionCVE.org
D-Link DIR-820L 1.05b03 was discovered to contain a remote code execution (RCE) vulnerability via the ping_addr parameter in the ping_v4 and ping_v6 functions.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)CVE.org
More in Dir 820L Firmware
View allThe ping tool in multiple D-Link and TRENDnet devices allow remote attackers to execute arbitrary code via the ping_addr
D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set
D-Link device DIR-820L 1.05B03 is vulnerable to Insecure Permissions. Rated critical severity (CVSS 9.8), this vulnerabi
D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_4507CC function. Rated critical severity (CVSS 9.8
D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the cancelPing function. Rated critical severity (CVSS 9.8
OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a cr
OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a cr
A stack overflow vulnerability exists in pingV4Msg component in D-Link DIR820LA1_FW105B03, allows attackers to cause a d
A stack overflow vulnerability in D-Link DIR820LA1_FW106B02 allows attackers to cause a denial of service via the reserv
D-Link DIR820LA1_FW106B02 was discovered to contain a buffer overflow via the nextPage parameter at ping.ccp. Rated high
A heap overflow vulnerability in D-Link DIR820LA1_FW106B02 allows attackers to cause a denial of service via the config.
D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_451208 function. Rated critical severity (CVSS 9.8
Exploit-DB