CVE-2014-3931

CriticalActively exploited (CISA KEV)

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductLooking Glass Multi-Router Looking Glass (MRLG)
PublishedMar 31, 2017
First seenMar 31, 2017
Added to KEVJul 7, 2025

How to fix

CISA required action

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

CISA due date: Jul 28, 2025

Affected products

ProductAffected versionsFixed in
multi-router_looking_glass_project multi-router_looking_glassv ≤ 5.4.1—

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