CVE-2018-0257

N/A
Published: April 19, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 01:30 AM UTC
1 product affected across 1 vendorIOS Xe

Using Cisco cBR Series Converged Broadband Routers by N/A?

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Severity
N/A
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

16.6 ≤ v ≤ 16.6.33.18 ≤ v ≤ 3.18.416.7 < v ≤ 16.7.215.6(2)sp16.416.5

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/103948
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1040716

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-399NVD-CWE-noinfo

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