CVE-2013-6811: Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DSL-6740U gateway (Rev

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HIGH 8.8MITIGATE

CVE-2013-6811 is a high-severity flaw (CVSS 8.8) affecting dsl6740u firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DSL-6740U gateway (Rev. H1) allow remote attackers to hijack the authentication of administrators for requests that change administrator credentials or enable remote management services to (1) Custom Services in Port Forwarding, (2) Port Triggering Entries, (3) URL Filters in Parental Control, (4) Print Server settings, (5) QoS Queue Setup, or (6) QoS Classification Entries.

Why this priority

High severity

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-352
Published	2019-11-22
Last modified	2026-06-17

Publisher (CNA): MITRE · 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

2019-11-22 18:15 UTCPublished CVE record published
2026-06-17 00:00 UTCUpdated Record last modified

d-link dsl6740u firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dsl6740u-firmware || rpm -q dsl6740u-firmware || dsl6740u-firmware --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2013-6811?

dsl6740u firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-6811 being exploited?

CVE-2013-6811 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-2013-6811 affect?

CVE-2013-6811 affects dsl6740u firmware. Severity is high (CVSS 8.8). Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DSL-6740U gateway (Rev. H1) allow remote attackers to hijack the authentication of administrators for requests that change administrator credentials or enable remote m

How urgent is CVE-2013-6811?

Priority 46/100. High severity

Software pages

D-Link vulnerabilities

References

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