Is CVE-2015-8263 actively exploited?

No active exploitation of CVE-2015-8263 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2015-8263 be exploited remotely?

Yes. CVE-2015-8263 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2015-8263?

CVE-2015-8263 has a CVSS score of 8.6 (HIGH).

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HIGH

CVE-2015-8263

NVD-CWE-OtherPublished: December 27, 2015· Updated: Jun 17, 2026

8.6

CVSS v3.1

Official Description

NETGEAR WNR1000v3 devices with firmware 1.0.2.68 use the same source port number for every DNS query, which makes it easier for remote attackers to spoof responses by selecting that number for the destination port.

NVD Source

Technical Analysis

CVE-2015-8263 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 8.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.