CVE-2015-7247: D-Link DVG-N5402SP with firmware W1000CN-00, W1000CN-03, or W2000EN-00 discloses usernames, passwords, keys, v

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2015-7247 is a critical-severity flaw (CVSS 9.8) affecting dvg-n5402sp firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

D-Link DVG-N5402SP with firmware W1000CN-00, W1000CN-03, or W2000EN-00 discloses usernames, passwords, keys, values, and web account hashes (super and admin) in plaintext when running a configuration backup, which allows remote attackers to obtain sensitive information.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	10.2% (top 4%)
CISA exploited list	No
Weakness	CWE-200
Published	2017-04-24
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: d-link

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-04-24 18:59 UTCPublished CVE record published
2026-06-17 00:32 UTCUpdated Record last modified

d-link dvg-n5402sp firmware MITIGATE

Affected: w1000cn-00 · w1000cn-03 · w2000en-00

Fixed in: no fixed release known

Safe to downgrade to: a release before w1000cn-00

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: D-Link DVGN5402SP - Multiple Vulnerabilities

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-7247?

dvg-n5402sp firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-7247 being exploited?

CVE-2015-7247 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-7247 affect?

CVE-2015-7247 affects dvg-n5402sp firmware. Severity is critical (CVSS 9.8). D-Link DVG-N5402SP with firmware W1000CN-00, W1000CN-03, or W2000EN-00 discloses usernames, passwords, keys, values, and web account hashes (super and admin) in plaintext when running a configuration backup, which allows remote attackers to

How urgent is CVE-2015-7247?

Priority 68/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2015-7246 CRITICAL 9.8 MITIGATE D-Link DVG-N5402SP with firmware W1000CN-00, W1000CN-03, or W2000EN-00 has a default password of root for the
CVE-2015-7245 HIGH 7.5 MITIGATE Directory traversal vulnerability in D-Link DVG-N5402SP with firmware W1000CN-00, W1000CN-03, or W2000EN-00 al

References

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