CVEvulnerability
CVE-2014-3931
CISA Known Exploited Vulnerability
Multi-Router Looking Glass (MRLG) Buffer Overflow Vulnerability — Looking Glass Multi-Router Looking Glass (MRLG)
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
- 2025-07-07
- Remediation due
- 2025-07-28
- Ransomware use
- Unknown
- 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.
- Notes
- https://mrlg.op-sec.us/ ; https://nvd.nist.gov/vuln/detail/CVE-2014-3931
- Status
- Analyzed
- Published
- 2017-03-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• multi-router looking glass project multi-router looking glass (<= 5.4.1)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://mrlg.op-sec.us/ Third Party Advisory
- http://www.s3.eurecom.fr/cve/CVE-2014-3931.txt Third Party Advisory
- https://hackerone.com/reports/16330 Exploit, Third Party Advisory
- http://mrlg.op-sec.us/ Third Party Advisory
- http://www.s3.eurecom.fr/cve/CVE-2014-3931.txt Third Party Advisory
- https://hackerone.com/reports/16330 Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3931 US Government Resource