How severe is CVE-2011-3992?

CVE-2011-3992 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-3992 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3992?

CVE-2011-3992 primarily affects Dlink Dwl-2100ap Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3992?

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

When was CVE-2011-3992 published?

CVE-2011-3992 was published on 2011-11-03 and last updated on 2026-06-16.

CVE-2011-3992

CVE-2011-3992 is a critical-severity vulnerability in Dlink Dwl-2100ap Firmware with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dlink Dwl-2100ap Firmware
Published: 2011-11-03
Last modified: 2026-06-16

Description

Buffer overflow in the SSH server functionality on the D-Link DES-3800 with firmware before 4.50B052, DWL-2100AP with firmware before 2.50RC548, and DWL-3200AP with firmware before 2.55RC549 allows remote attackers to execute arbitrary code or cause a denial of service via unspecified vectors.

Frequently asked questions

What is CVE-2011-3992?: Buffer overflow in the SSH server functionality on the D-Link DES-3800 with firmware before 4.50B052, DWL-2100AP with firmware before 2.50RC548, and DWL-3200AP with firmware before 2.55RC549 allows remote attackers to execute arbitrary code or cause a denial of service via unspecified vectors.
How severe is CVE-2011-3992?: CVE-2011-3992 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-3992 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3992?: CVE-2011-3992 primarily affects Dlink Dwl-2100ap Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3992?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-3992 published?: CVE-2011-3992 was published on 2011-11-03 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:h:dlink:des-3800:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:des-3800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:des-3800_firmware:4.00:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dwl-2100ap:*:*:*:*:*:*:*:*
cpe:2.3:a:dlink:dwl-2100ap_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dwl-3200ap:*:*:*:*:*:*:*:*
cpe:2.3:a:dlink:dwl-3200ap_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:dlink:dwl-3200ap_firmware:2.40:*:*:*:*:*:*:*

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