CVE-2018-0349

CRITICAL
9.8
CVSS Score
Published: July 18, 2018 at 11:00 PM UTC
Updated: June 17, 2026 at 01:30 AM UTC
20 products affected across 1 vendorVsmart ControllerVedge 1000 FirmwareVedge 2000 Firmware

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper input validation of the request admin-tech command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the request admin-tech command in the CLI of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying operating system of an affected device and escalate their privileges to the root user. This vulnerability affects the following Cisco products if they are running a release of the Cisco SD-WAN Solution prior to Release 18.3.0: vBond Orchestrator Software, vEdge 100 Series Routers, vEdge 1000 Series Routers, vEdge 2000 Series Routers, vEdge 5000 Series Routers, vEdge Cloud Router Platform, vManage Network Management Software, vSmart Controller Software. Cisco Bug IDs: CSCvi69852, CSCvi69856.

Affected

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

v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-100 (same device)
v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-1000 (same device)
v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-100b (same device)
v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-100m (same device)
v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-100wm (same device)
v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-2000 (same device)
v < 18.3.0
Affected range stops below 18.3.0, so it looks safe — our inference, not a vendor statement
cisco-vedge-5000 (same device)
All versions
All versions

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

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

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-78

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