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CVE-2026-20303

🗓️ 05 Aug 2026 16:29:52Reported by AttackerKBType 
attackerkb
 attackerkb
🔗 attackerkb.com👁 8 Views

Cisco Catalyst SD-WAN hardening fixes improper input validation vulnerabilities from internal review.

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Detection
Refs
Vulners
Node
OR
ciscocisco_catalyst_sd-wan_managerMatch20.9.3.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.4.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.5.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.5.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.5.3_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.4.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.4_monthly_es5
ciscocisco_catalyst_sd-wan_managerMatch20.12.5.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.5.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.4.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.18.2.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.4.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.6.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.5.3_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.8.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.18.2.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.7.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.6.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.4.3_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.5.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.5.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch26.1.1.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.4.4_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.9.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.18.3.1_li_images
ciscocisco_catalyst_sd-wan_managerMatch26.1.1.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.4.5_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.15.5.3_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.12.7.2_li_images
ciscocisco_catalyst_sd-wan_managerMatch20.9.9.2_li_images

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05 Aug 2026 17:32Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.19.9
EPSS0.00321
SSVC
8