Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2014-3931

CVE-2014-3931CRITICAL

n/a n/a — Looking Glass Multi-Router Looking Glass (MRLG)

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .2898   98.1   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  May 31  Reserved by mitre
  Mar 31  Published (CNA: mitre)
  Jul 7   Added to CISA KEV, remediation due 2025-07-28

CWE-119 · CNA: mitre · CVSS v3.1 · 4 references · KEV due July 28, 2025

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 31, 2014	Reserved	Reserved by mitre
March 31, 2017	Published	Published (CNA: mitre)
July 7, 2025	KEV ADDED	Added to CISA KEV, remediation due 2025-07-28

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-119

References (4)

http://mrlg.op-sec.us/ [x_refsource_CONFIRM]
http://www.s3.eurecom.fr/cve/CVE-2014-3931.txt [x_refsource_MISC]
https://hackerone.com/reports/16330 [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3931 [government-resource]

Authoritative record: CVE-2014-3931 at cve.org

Weaknesses: CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2014-3931 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.