How severe is CVE-2010-4964?

CVE-2010-4964 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2010-4964 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4964?

CVE-2010-4964 primarily affects Dlink Dcs-2121 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4964?

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-2010-4964 published?

CVE-2010-4964 was published on 2011-10-16 and last updated on 2026-06-16.

CVE-2010-4964

CVE-2010-4964 is a critical-severity vulnerability in Dlink Dcs-2121 Firmware with a CVSS 2.0 base score of 9.0. 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-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Dlink Dcs-2121 Firmware
Published: 2011-10-16
Last modified: 2026-06-16

Description

recorder_test.cgi on the D-Link DCS-2121 camera with firmware 1.04 allows remote attackers to execute arbitrary commands via shell metacharacters in the Password field, related to a "semicolon injection" vulnerability.

Frequently asked questions

What is CVE-2010-4964?: recorder_test.cgi on the D-Link DCS-2121 camera with firmware 1.04 allows remote attackers to execute arbitrary commands via shell metacharacters in the Password field, related to a "semicolon injection" vulnerability.
How severe is CVE-2010-4964?: CVE-2010-4964 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2010-4964 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4964?: CVE-2010-4964 primarily affects Dlink Dcs-2121 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4964?: 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-2010-4964 published?: CVE-2010-4964 was published on 2011-10-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:dlink:dcs-2121_firmware:1.04:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dcs-2121:*:*:*:*:*:*:*:*

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