CVE-2026-20245
A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system and elevate their privileges as the root user. To exploit this vulnerability, the attacker must have netadmin privileges on the affected system. This would require valid credentials or exploitation of or . Cisco is not aware of successful exploitation by other methods.
10 articles across 5 outlets · first covered Jun 5, 2026 · latest Jun 10, 2026
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Coverage timeline
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CISA Adds Cisco SD WAN Manager Flaw to KEV Following Active Exploitwww.cisa.gov · Jun 9, 2026
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CISA Adds Cisco SD WAN Manager Flaw to KEV Following Active Exploitcisa.gov · Jun 9, 2026
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Critical Cisco SDWAN flaw CVE-2026-20245 exploited, no patchthehackernews.com · Jun 6, 2026
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Cisco SD-WAN Has a New Root-Level Problem, and There’s No Fix Yetsecurityaffairs.com · Jun 5, 2026
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Cisco SD-WAN CVE-2026-20245 flaw lets hackers gain root via file uploadsecurityonline.info · Jun 5, 2026