CVE-2014-3931Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability

fastping.c in MRLG (aka Multi-Router Looking Glass) before 5.5.0 allows remote attackers to cause an arbitrary memory write and memory corruption.

9.8 CRITICALEPSS 28.97%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 00:09 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Mar 31, 2017
Assigner: mitre

Affected

multi-router looking glass (multi-router looking glass project)

Versions: through 5.4.1

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Jul 7, 2025
KEV due date: Jul 28, 2025
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

28.97%chance of exploitation in 30 days

Higher than 98.17% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.5High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:P/I:P/A:P

CISA required action

⚡ Known exploited · remediation due Jul 28, 2025

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

Details

CVE ID: CVE-2014-3931
Status: Analyzed
Assigner (CNA): mitre
Published: Mar 31, 2017
Last modified: 2026-06-17 00:09 UTC
Weaknesses: CWE-119

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 11:29 UTC.