Is CVE-2014-3931 actively exploited?

Yes. CVE-2014-3931 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2014-3931 be exploited remotely?

The attack vector of CVE-2014-3931 has not been classified yet.

What is the CVSS score of CVE-2014-3931?

CVE-2014-3931 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2014-3931

HIGHCISA KEVIN THE WILD

CVE-2014-3931

Published: July 7, 2025

EPSS:35.56%probability of exploitation in 30 daysPercentile:97.0th

Official Description

Multi-Router Looking Glass (MRLG) contains a buffer overflow vulnerability that could allow remote attackers to cause an arbitrary memory write and memory corruption.

NVD Source

CISA KEV Advisory

Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability

Multi-Router Looking Glass (MRLG) contains a buffer overflow vulnerability that could allow remote attackers to cause an arbitrary memory write and memory corruption.

Added to KEV: 2025-07-07Federal patch deadline: 2025-07-28

Required Action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Risk Analysis

Multi-Router Looking Glass (MRLG) is susceptible to a buffer overflow, which could allow a remote attacker to corrupt memory and write arbitrary data. Given its high severity, an EPSS score of 0.35558, and confirmed exploitation, this is a critical vulnerability.

This vulnerability has been actively exploited in the wild and is listed in CISA's KEV catalog, indicating confirmed real-world exploitation. The nature of the flaw suggests it is remotely exploitable.

Recommended Action

If MRLG is in use, update to a patched version immediately. If no patch is available, consider disabling or restricting access to the MRLG service.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2014-3931 requires local access, meaning attackers must already have a foothold on the target system.

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

CISA has added CVE-2014-3931 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.