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Dir 615 Firmware CVE-2021-37388

CRITICAL
Classic Buffer Overflow (CWE-120)
2021-08-06 cve@mitre.org
Buffer Overflow D-Link RCE Dir 615 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Aug 06, 2021 - 12:15 nvd
CRITICAL 9.8

DescriptionNVD

A buffer overflow in D-Link DIR-615 C2 3.03WW. The ping_ipaddr parameter in ping_response.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution.

AnalysisAI

A buffer overflow in D-Link DIR-615 C2 3.03WW. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A buffer overflow in D-Link DIR-615 C2 3.03WW. The ping_ipaddr parameter in ping_response.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution. Affected products include: Dlink Dir-615 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

More in Dir 615 Firmware

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Unauthenticated remote code execution occurs in D-Link products such as DIR-655C, DIR-866L, DIR-652, and DHP-1565. Rated
CVE-2018-15839 CRITICAL POC
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D-Link DIR-615 devices have a buffer overflow via a long Authorization HTTP header. Rated critical severity (CVSS 9.8),

CVE-2017-7398 HIGH POC
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D-Link DIR-615 HW: T1 FW:20.09 is vulnerable to Cross-Site Request Forgery (CSRF) vulnerability. Rated high severity (CV
CVE-2026-2152 HIGH POC
7.2 Feb 08

Unauthenticated remote attackers can execute arbitrary OS commands on D-Link DIR-615 4.10 routers through manipulated ro
CVE-2026-1505 HIGH POC
7.2 Jan 28

Command injection in D-Link DIR-615 firmware via the /set_temp_nodes.php URL Filter component allows unauthenticated rem
CVE-2026-1448 HIGH POC
7.2 Jan 27

Remote code execution in D-Link DIR-615 firmware through os command injection via the ipaddr parameter in the Web Manage
CVE-2026-2151 HIGH POC
7.2 Feb 08

Remote code execution in D-Link DIR-615 firmware through os command injection via the dmz_ipaddr parameter in the DMZ Ho
CVE-2026-1506 HIGH POC
7.2 Jan 28

Unauthenticated remote attackers can inject arbitrary OS commands through the MAC filter configuration parameter in D-Li
CVE-2018-10431 HIGH POC
7.2 Apr 26

D-Link DIR-615 2.5.17 devices allow Remote Code Execution via shell metacharacters in the Host field of the System / Tra
CVE-2021-40654 MEDIUM POC
6.5 Sep 24

An information disclosure issue exist in D-LINK-DIR-615 B2 2.01mt. Rated medium severity (CVSS 6.5), this vulnerability

Same weakness CWE-120 – Classic Buffer Overflow

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CVE-2016-10174 CRITICAL POC
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CVE-2016-6366 HIGH POC
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CVE-2013-1331 HIGH
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CVE-2013-0641 HIGH
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CVE-2017-15222 CRITICAL POC
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CVE-2012-2763 HIGH POC
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Same technique Buffer Overflow

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CVE-2017-7269 CRITICAL POC
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CVE-2015-5119 CRITICAL POC
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CVE-2015-3113 CRITICAL POC
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CVE-2011-2462 CRITICAL POC
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CVE-2009-0927 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2017-11882 HIGH POC
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CVE-2010-3333 HIGH POC
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CVE-2021-37388 vulnerability details – vuln.today
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