CVE-2014-3936

CVE-2014-3936 is a critical-severity vulnerability in Dlink Dir505 Shareport Mobile Companion Firmware with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 77% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Link DSP-W215 (Rev. A1) with firmware 1.01b06 and earlier, DIR-505 with firmware before 1.08b10, and DIR-505L with firmware 1.01 and earlier allows remote attackers to execute arbitrary code via a long Content-Length header in a GetDeviceSettings action in an HNAP request.

Frequently asked questions

What is CVE-2014-3936?
Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Link DSP-W215 (Rev. A1) with firmware 1.01b06 and earlier, DIR-505 with firmware before 1.08b10, and DIR-505L with firmware 1.01 and earlier allows remote attackers to execute arbitrary code via a long Content-Length header in a GetDeviceSettings action in an HNAP request.
How severe is CVE-2014-3936?
CVE-2014-3936 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-3936 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3936?
CVE-2014-3936 primarily affects Dlink Dir505 Shareport Mobile Companion Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3936?
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-2014-3936 published?
CVE-2014-3936 was published on 2014-06-02 and last updated on 2026-06-17.

References

Affected products (6)

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