CVE-2026-7027: A vulnerability was identified in D-Link DSL-2740R EU_01.15

Routine

LOW 2.4MITIGATE

CVE-2026-7027 is a low-severity flaw (CVSS 2.4) affecting dsl-2740r firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was identified in D-Link DSL-2740R EU_01.15. Impacted is an unknown function of the component Wireless Setup Section. Such manipulation of the argument Wireless Network Name leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.4 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-04-26
Last modified	2026-10-26

Publisher (CNA): VulDB · Vendor: dlink

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-26 09:16 UTCPublished CVE record published
2026-10-26 00:10 UTCUpdated Record last modified

dlink dsl-2740r firmware MITIGATE

Affected: eu_01.15

Fixed in: no fixed release known

Safe to downgrade to: a release before eu_01.15

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-2026-7027?

dsl-2740r firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-7027 being exploited?

CVE-2026-7027 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-2026-7027 affect?

CVE-2026-7027 affects dsl-2740r firmware. Severity is low (CVSS 2.4). A vulnerability was identified in D-Link DSL-2740R EU_01.15. Impacted is an unknown function of the component Wireless Setup Section. Such manipulation of the argument Wireless Network Name leads to cross site scripting. The attack can be e

How urgent is CVE-2026-7027?

Priority 18/100. No elevated risk signals yet.

Software pages

D-Link vulnerabilities

References

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