CVE-2009-1740

CVE-2009-1740 is a critical-severity vulnerability in Dlink Mpeg4 Viewer Activex Control with a CVSS 2.0 base score of 9.3. 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

Description

Multiple heap-based buffer overflows in the D-Link MPEG4 Viewer ActiveX Control (csviewer.ocx) 2.11.918.2006 allow remote attackers to execute arbitrary code via a long argument to the (1) SetFilePath and (2) SetClientCookie methods. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Frequently asked questions

What is CVE-2009-1740?
Multiple heap-based buffer overflows in the D-Link MPEG4 Viewer ActiveX Control (csviewer.ocx) 2.11.918.2006 allow remote attackers to execute arbitrary code via a long argument to the (1) SetFilePath and (2) SetClientCookie methods. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
How severe is CVE-2009-1740?
CVE-2009-1740 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1740 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1740?
CVE-2009-1740 affects Dlink Mpeg4 Viewer Activex Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1740?
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-2009-1740 published?
CVE-2009-1740 was published on 2009-05-20 and last updated on 2026-06-16.

References

Affected products (1)

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

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