CVE-2014-3931
KEVMulti-Router Looking Glass (MRLG) Buffer Overflow Vulnerability
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.
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.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedMar 31, 2017
Last modifiedJun 17, 2026
Added to KEVJul 7, 2025
Remediation dueJul 28, 2025
References
- mrlg.op-sec.usThird Party Advisory
- s3.eurecom.fr/cve/CVE-2014-3931.txtThird Party Advisory
- hackerone.com/reports/16330ExploitThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-3931US Government Resource
0 recent articles mention this CVE
82
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 456 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 29.0% · top 2% of all CVEs
- Weakness
- CWE-119
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.