How severe is CVE-2013-6811?

CVE-2013-6811 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-6811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6811?

CVE-2013-6811 affects D-link Dsl6740u Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-6811?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-6811 published?

CVE-2013-6811 was published on 2019-11-22 and last updated on 2026-06-17.

CVE-2013-6811

CVE-2013-6811 is a high-severity vulnerability in D-link Dsl6740u Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: D-link Dsl6740u Firmware
Published: 2019-11-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2013-6811?: 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.
How severe is CVE-2013-6811?: CVE-2013-6811 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-6811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6811?: CVE-2013-6811 affects D-link Dsl6740u Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-6811?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-6811 published?: CVE-2013-6811 was published on 2019-11-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:d-link:dsl6740u_firmware:-:*:*:*:*:*:*:*

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