Is CVE-2018-1000800 actively exploited?

No active exploitation of CVE-2018-1000800 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-1000800 be exploited remotely?

Yes. CVE-2018-1000800 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-1000800?

CVE-2018-1000800 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2018-1000800

CWE-476Published: September 6, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

zephyr-rtos version 1.12.0 contains a NULL base pointer reference vulnerability in sys_ring_buf_put(), sys_ring_buf_get() that can result in CPU Page Fault (error code 0x00000010). This attack appear to be exploitable via a malicious application call the vulnerable kernel APIs (system sys_ring_buf_get() and sys_ring_buf_put).

NVD Source

Technical Analysis

CVE-2018-1000800 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.