HOMEVULNERABILITIESCVE-2017-9542
CRITICAL

CVE-2017-9542

CWE-287Published: June 11, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2017-9542 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

d-link1 product(s)
dir-615 firmware
dlink1 product(s)
dir-615
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/98992
ADVISORYhttps://twitter.com/tiger_tigerboy/status/873458088321220609
ADVISORYhttp://www.securityfocus.com/bid/98992
ADVISORYhttps://twitter.com/tiger_tigerboy/status/873458088321220609

All References (6)

→
http://www.securityfocus.com/bid/98992Third Party Advisory · VDB Entry
→
https://twitter.com/tiger_tigerboy/status/873458088321220609Third Party Advisory
→
https://www.facebook.com/tigerBOY777/videos/1368513696568992/Permissions Required
→
http://www.securityfocus.com/bid/98992Third Party Advisory · VDB Entry
→
https://twitter.com/tiger_tigerboy/status/873458088321220609Third Party Advisory
→
https://www.facebook.com/tigerBOY777/videos/1368513696568992/Permissions Required

Quick Facts

CVE IDCVE-2017-9542
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-287
CISA KEVNo
Affected2 vendor(s)
PublishedJun 11, 2017

Related CVEs (CWE-287)

CVE-2014-2075
10.0
CVE-2002-2397
10.0
CVE-2026-45480
10.0
CVE-2025-15586
10.0
CVE-2002-2279
10.0
CVE-2025-54419
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-9542 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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