Is CVE-2008-1886 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2008-1886, but active exploitation has not been confirmed.

Can CVE-2008-1886 be exploited remotely?

Yes. CVE-2008-1886 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2008-1886?

CVE-2008-1886 has a CVSS score of 7.5 (HIGH).

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HIGHPOC

CVE-2008-1886

CWE-310Published: April 18, 2008· Updated: Jun 16, 2026

7.5

CVSS v3.1

Official Description

The NeffyLauncher 1.0.5 ActiveX control (NeffyLauncher.dll) in CDNetworks Nefficient Download uses weak cryptography for a KeyCode that blocks unauthorized use of the control, which allows remote attackers to bypass this protection mechanism by calculating the required KeyCode. NOTE: this can be used by arbitrary web sites to host exploit code that targets this control.

NVD Source

Technical Analysis

CVE-2008-1886 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-1886. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.