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Dir 615 Firmware CVE-2017-9542

CRITICAL
Improper Authentication (CWE-287)
2017-06-11 cve@mitre.org
9.8
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 2.16%.

Exploit ScenarioDerived

A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 2.2% exploitation probability (EPSS)

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AnalysisAI

D-Link DIR-615 Wireless N 300 Router allows authentication bypass via a modified POST request to login.cgi. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

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 Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. D-Link DIR-615 Wireless N 300 Router allows authentication bypass via a modified POST request to login.cgi. This issue occurs because it fails to validate the password field. Successful exploitation of this issue allows an attacker to take control of the affected device. Affected products include: D-Link Dir-615 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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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

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

D-Link DIR-615 Wireless N 300 Router allows authentication bypass via a modified POST request to login.cgi. This issue occurs because it fails to validate the password field. Successful exploitation of this issue allows an attacker to take control of the affected device.

Threat Intelligence Overview

EPSS Score
2.2%
Top 16% exploitable
Data Quality
3 sources
Confidence: Low

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.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 2.2%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:o:d-link:dir-615_firmware:*:*:*:*:*:*:*:*
CVE-2014-8361 CRITICAL POC
9.8 May 01

The miniigd SOAP service in Realtek SDK allows remote attackers to execute arbitrary code via a crafted NewInternalClien

CVE-2021-42627 CRITICAL POC
9.8 Aug 23

The WAN configuration page "wan.htm" on D-Link DIR-615 devices with firmware 20.06 can be accessed directly without auth

CVE-2018-25115 CRITICAL POC
10.0 Aug 27

Multiple D-Link DIR-series routers, including DIR-110, DIR-412, DIR-600, DIR-610, DIR-615, DIR-645, and DIR-815 firmware

CVE-2021-37388 CRITICAL POC
9.8 Aug 06

A buffer overflow in D-Link DIR-615 C2 3.03WW. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploi

CVE-2019-16920 CRITICAL POC
9.8 Sep 27

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
9.8 Aug 28

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
8.8 Apr 04

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

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