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Cybersecurity
Vulnerabilities in Cisco Products
Cisco has published information about several critical and high-severity vulnerabilities in Snort 3 software that also affect several Cisco products, including Cisco Secure Firewall Threat Defense, Cisco Cyber Vision, and Cisco Meraki MX. The vulnerabilities have been assigned the identifiers CVE-2026-20043, CVE-2026-20236, CVE-2026-20291, and CVE-2026-20356. Two vulnerabilities are rated critical (9.0 on the CVSS scale), while the other two are rated high severity (7.8 and 7.5). Security updates are available to address the vulnerabilities, and users of affected products are urged to install them immediately. More information: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-snort3-ybgmhTQe