Cisco Informational for Emergency Distrust of eMudhra Root and Intermediate Certificate Authorities
Affects CiscoSource GCVE Database
Rated by Threat Radar
Data as of 10/25/2026, 02:08:30 UTC
What to do
AI-suggested
Cisco is conducting an ongoing investigation and will provide updates as more information becomes available. No specific mitigation actions are currently recommended until Cisco completes its assessment and issues further guidance.
Description
Cisco is investigating the impact of an emergency distrust of eMudhra root and intermediate certificate authorities on its product line. The advisory lists numerous Cisco products under active investigation to determine if they are affected. As of now, no specific affected versions or confirmed vulnerabilities have been identified. Cisco will update the advisory as the investigation progresses.
Impact
The impact is currently undetermined as Cisco is still investigating which products and services may be affected by the distrust of eMudhra certificates. No confirmed exploitation or vulnerabilities have been reported at this time.
References
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-emudhra-info-ScS22A1r (opens in a new tab)
- sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html (opens in a new tab)
- emudhra.we-have-a-problem.com (opens in a new tab)
- blog.talosintelligence.com/compromised-intermediate-certificates/ (opens in a new tab)
- cisco.com/c/en/us/support/docs/security/secure-firewall-threat-defense/226473-cisco-secure-firewall-firewall.html (opens in a new tab)
- community.cisco.com/t5/duo-release-notes/duo-access-gateway-3-2-0-released-2026-10-21/ta-p/5583226 (opens in a new tab)
- duo.com/docs/agentgateway (opens in a new tab)
- community.cisco.com/t5/duo-release-notes/duo-network-gateway-3-4-1-released-2026-10-22/ta-p/5583617 (opens in a new tab)
- cisco.com/web/about/security/psirt/security_vulnerability_policy.html (opens in a new tab)
- sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure (opens in a new tab)
- cisco.com/c/en/us/support/index.html (opens in a new tab)
- cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html (opens in a new tab)
- sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html (opens in a new tab)
- cisco.com/go/psirt (opens in a new tab)