CVE-2019-1650: Cisco SD-WAN Solution Arbitrary File Overwrite Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-24 · updated 2026-06-17
Weakness: CWE-20

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 save command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the save 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.

Affected products

Cisco Sd-Wan: before 18.4.0 — fixed in 18.4.0
Cisco Vbond Orchestrator: all versions
Cisco Vedge 1000 Firmware: all versions
Cisco Vedge 100 Firmware: all versions
Cisco Vedge 2000 Firmware: all versions
Cisco Vedge 5000 Firmware: all versions
Cisco Vmanage Network Management: all versions
Cisco Vsmart Controller: all versions

How to fix

Upgrade to a fixed version: Cisco Sd-Wan 18.4.0. Check the vendor advisory for mitigations.

References

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