CVE-2026-20310
published 2026-08-05CVE-2026-20310: As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive…
PriorityP355critical9.1CVSS 3.1
AVNACLPRHUINSCCHIHAH
EPSS
0.59%
47.4th percentile
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20310 are related to improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-59.
Affected
533 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
| cisco | cisco_catalyst_sd-wan_controller | — | — |
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## Cisco Patches 12 SD-WAN and IOS XE Flaws, Including Three 9.8 CVSS Score Bugs
Cisco has rolled out updates to address multiple critical security vulnerabilities impacting Catalyst SD-WAN and IOS XE Software as part of a comprehensive internal security review.
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Published