CVE-2018-15875: Cross-site scripting (XSS) vulnerability on D-Link DIR-615 routers 20.07 allows attackers to inject JavaScript

Routine

MEDIUM 6.1MITIGATE

CVE-2018-15875 is a medium-severity flaw (CVSS 6.1) affecting dir-615 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability on D-Link DIR-615 routers 20.07 allows attackers to inject JavaScript into the router's admin UPnP page via the description field in an AddPortMapping UPnP SOAP request.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-08-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dlink

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

Am I affected?

Timeline

2018-08-25 19:29 UTCPublished CVE record published
2026-06-17 01:43 UTCUpdated Record last modified

dlink dir-615 firmware MITIGATE

Affected: 20.07

Fixed in: no fixed release known

Safe to downgrade to: a release before 20.07

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.

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-2018-15875?

dir-615 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-15875 being exploited?

CVE-2018-15875 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-2018-15875 affect?

CVE-2018-15875 affects dir-615 firmware. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability on D-Link DIR-615 routers 20.07 allows attackers to inject JavaScript into the router's admin UPnP page via the description field in an AddPortMapping UPnP SOAP request.

How urgent is CVE-2018-15875?

Priority 38/100. No elevated risk signals yet.

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2021-42627 CRITICAL 9.8 MITIGATE MITIGATE The WAN configuration page "wan.htm" on D-Link DIR-615 devices with firmware 20.06 can be accessed directly wi
CVE-2026-2152 HIGH 7.2 MITIGATE A vulnerability was found in D-Link DIR-615 4.10
CVE-2026-2151 HIGH 7.2 MITIGATE A vulnerability has been found in D-Link DIR-615 4.10
CVE-2026-1506 HIGH 7.2 MITIGATE A vulnerability was determined in D-Link DIR-615 4.10
CVE-2026-1505 HIGH 7.2 MITIGATE A vulnerability was found in D-Link DIR-615 4.10

References

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