Description:
Cisco has released security updates to address multiple vulnerabilities in several Cisco devices and software. For information about the vulnerabilities and the attacking vectors, please refer to the corresponding security advisories at the vendor's website.
Reports indicate that proof-of-concept (PoC) exploit code for remote code execution vulnerability (CVE-2026-20200) in Cisco Integrated Management Controller is publicly available. System administrators are advised to take immediate action to patch affected systems to mitigate the elevated risk of cyber attacks.
Affected Systems:
- Cisco Catalyst SD-WAN Manager
- Cisco Catalyst SD-WAN Software
- Cisco Integrated Management Controller
- Cisco IOS Software
- Cisco IOS XE Software
- Cisco RoomOS
- Cisco Terminal Services Agent
For detailed information of the affected products, please refer to the section "Affected Products" of corresponding security advisory at vendor's website.
Impact:
Depending on the vulnerabilities exploited, a successful attack could lead to remote code execution, denial of service, elevation of privilege, information disclosure, security restriction bypass or tampering on an affected system.
Recommendation:
Software updates for affected systems are now available. System administrators of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk. For detailed information of the available patches, please refer to the section "Fixed Software" of corresponding security advisory at vendor's website.
System administrators should contact their product support vendors for the fixes and assistance.
More Information:
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-7EhBFxBp
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJ
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xmcp-thbAr34t
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-bing-MGHrFAkd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-infodisc-qBXjfmWm
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-infodis-SPuJBDCe
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ts-agent-fw-bypass-MYBTMrev
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-dos-qdc7qx3
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-webui-dos-PtAODAWW
- https://www.hkcert.org/security-bulletin/cisco-products-multiple-vulnerabilities_20260806
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20028
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20124
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20198
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20200
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20263
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20267 (to CVE-2026-20273)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20288 (to CVE-2026-20289)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20294
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20301
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20303 (to CVE-2026-20304)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20308
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20310 (to CVE-2026-20313)
