AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2014-3347

MEDIUM · CVSS 5.4 EPSS 0.98%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2014-08-28 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. It affects Cisco. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2014-3347
Severity
MEDIUM
CVSS
5.4
EPSS
0.98%
Cisco

Original NVD Description

Cisco IOS 15.1(4)M2 on Cisco 1800 ISR devices, when the ISDN Basic Rate Interface is enabled, allows remote attackers to cause a denial of service (device hang) by leveraging knowledge of the ISDN phone number to trigger an interrupt timer collision during entropy collection, leading to an invalid state of the hardware encryption module, aka Bug ID CSCul77897.