Is CVE-2018-25356 actively exploited?

No active exploitation of CVE-2018-25356 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25356 be exploited remotely?

No. CVE-2018-25356 requires local access to exploit.

What is the CVSS score of CVE-2018-25356?

CVE-2018-25356 has a CVSS score of 8.4 (HIGH).

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HIGH

CVE-2018-25356

CWE-120Published: May 23, 2026· Updated: May 26, 2026

8.4

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.5th

Official Description

SIPp 3.6 and earlier contains a local buffer overflow vulnerability in command-line argument handling that allows local attackers to crash the application or execute arbitrary code. Attackers can trigger the vulnerability by supplying oversized input to the -3pcc, -i, or -log_file parameters, causing strcpy to write beyond buffer boundaries in sipp.cpp.

NVD Source

Technical Analysis

CVE-2018-25356 requires local access, meaning attackers must already have a foothold on the target system.

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 8.4.