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Cisco SD-WAN
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- 1Cisco SD-WAN Manager flaw actively exploited, admins urged to patch●Attackers exploit CVE-2026-76504, a 9.8 authentication bypass in Cisco SD-WAN Manager that grants admin API access. Patc
Attackers are exploiting CVE-2026-76504, a critical authentication bypass vulnerability in Cisco SD-WAN Manager with a severity score of 9.8. The flaw allows unauthenticated access to the administrative API, potentially handing attackers full control of affected systems. Security sources say it is being actively exploited and are urging organisations to apply Cisco's patch immediately.
- 2Cisco security advisory flags zero-day SD-WAN web authentication flaw▼https:// sec.cloudapps.cisco.com/securi ty/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-webauth-xr8beuuU # ZeroDa
A new Cisco security advisory is circulating among cybersecurity professionals, describing a vulnerability in Cisco SD-WAN's web authentication component labelled as a zero-day. Security commentators are sharing the advisory link on Infosec forums, tagging it with zero-day and SD-WAN hashtags, urging network administrators to review their Cisco SD-WAN deployments for the flaw and apply recommended mitigations or patches.
- 3Cisco Patches Actively Exploited Zero-Day in SD-WAN Manager●Cisco Patches Actively Exploited Zero-Day in Catalyst SD-WAN Manager Cisco released security updates for a zero-day vuln
Cisco has released security updates for Catalyst SD-WAN Manager to fix a zero-day vulnerability, tracked as CVE-2026-76504, that attackers are actively exploiting in the wild. The flaw allows unauthenticated remote attackers to gain administrator privileges on affected systems. Administrators are urged to apply the patches promptly, as exploitation is already underway and unpatched SD-WAN management consoles could give attackers broad control over enterprise networks.
- 4Critical Cisco SD-WAN Manager Vulnerability Under Active Exploitation●(rapid7.com) Critical API Authentication Bypass in Cisco Catalyst SD-WAN Manager (CVE-2026-76504) Under Active Exploitat
Rapid7 reports a critical API authentication bypass vulnerability in Cisco Catalyst SD-WAN Manager, tracked as CVE-2026-76504, that is being actively exploited in the wild. The flaw lets attackers bypass authentication on the network management platform, prompting security teams to review patching and mitigation guidance for affected deployments.
- 5Cisco Patches Exploited SD-WAN Zero-Day Vulnerability●Cisco Patches Exploited Catalyst SD-WAN Zero-Day Vulnerability
Cisco has released patches for a zero-day vulnerability in its Catalyst SD-WAN software that was being actively exploited, according to a report by SecurityWeek. The flaw allowed attackers to compromise affected SD-WAN devices. Administrators are urged to apply the updates promptly, and details about the exploitation campaign remain limited.