How severe is CVE-2011-4507?

CVE-2011-4507 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-4507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4507?

CVE-2011-4507 affects Dlink Dir-685. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4507?

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-2011-4507 published?

CVE-2011-4507 was published on 2011-11-22 and last updated on 2026-06-16.

CVE-2011-4507

CVE-2011-4507 is a high-severity vulnerability in Dlink Dir-685 with a CVSS 2.0 base score of 7.5. 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-310.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Dlink Dir-685
Published: 2011-11-22
Last modified: 2026-06-16

Description

The D-Link DIR-685 router, when certain WPA and WPA2 configurations are used, does not maintain an encrypted wireless network during transfer of a large amount of network traffic, which allows remote attackers to obtain sensitive information or bypass authentication via a Wi-Fi device.

Frequently asked questions

What is CVE-2011-4507?: The D-Link DIR-685 router, when certain WPA and WPA2 configurations are used, does not maintain an encrypted wireless network during transfer of a large amount of network traffic, which allows remote attackers to obtain sensitive information or bypass authentication via a Wi-Fi device.
How severe is CVE-2011-4507?: CVE-2011-4507 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-4507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4507?: CVE-2011-4507 affects Dlink Dir-685. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4507?: 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-2011-4507 published?: CVE-2011-4507 was published on 2011-11-22 and last updated on 2026-06-16.

References

http://www.kb.cert.org/vuls/id/924307

Affected products (1)

cpe:2.3:h:dlink:dir-685:*:*:*:*:*:*:*:*

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