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Cisco issues multiple security advisories addressing high-severity vulnerabilities in IOS and Catalyst products
On March 25, 2026, Cisco released a series of security advisories detailing multiple vulnerabilities affecting Cisco IOS, IOS XE, Catalyst switches, Secure Firewall, and SD-WAN Manager products.
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- Vulnerabilities in several Cisco productsNCSC-FI - Vulnerabilities
- New critical Citrix NetScaler hole of similar severity to CitrixBleed2, says expertCSO Online
- Cisco IOS XE: CVSS (Max): 8.6AusCERT - Bulletins
- Cisco Catalyst SD-WAN Manager: CVSS (Max): 5.4AusCERT - Bulletins
- Cisco Products: CVSS (Max): 8.6AusCERT - Bulletins