HOMEVULNERABILITIESCVE-2018-14081
CRITICAL

CVE-2018-14081

CWE-522Published: October 9, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered on D-Link DIR-809 A1 through 1.09, A2 through 1.11, and Guest Zone through 1.09 devices. Device passwords, such as the admin password and the WPA key, are stored in cleartext.

NVD Source

Technical Analysis

CVE-2018-14081 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.

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-link3 product(s)
dir-809 a1 firmwaredir-809 a2 firmwaredir-809 guestzone firmware
dlink1 product(s)
dir-809
Source: NVD CPE · 4 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

ADVISORYhttps://blog.nivel4.com/investigaciones/nuevas-vulnerabilidades-en-router-d-link-permiten-tomar-control-remoto-del-dispositivo/
ADVISORYhttps://blog.nivel4.com/investigaciones/nuevas-vulnerabilidades-en-router-d-link-permiten-tomar-control-remoto-del-dispositivo/

All References (2)

→
https://blog.nivel4.com/investigaciones/nuevas-vulnerabilidades-en-router-d-link-permiten-tomar-control-remoto-del-dispositivo/Third Party Advisory
→
https://blog.nivel4.com/investigaciones/nuevas-vulnerabilidades-en-router-d-link-permiten-tomar-control-remoto-del-dispositivo/Third Party Advisory

Quick Facts

CVE IDCVE-2018-14081
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-522
CISA KEVNo
Affected2 vendor(s)
PublishedOct 9, 2018

Related CVEs (CWE-522)

CVE-2024-12799
10.0
CVE-2026-29128
10.0
CVE-2019-1384
9.9
CVE-2021-36783
9.9
CVE-2026-56843
9.9
CVE-2025-0867
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-14081 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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