Cisco Fixes SD-WAN vManage Flaw Exploited in Zero-Day Attacks

Cisco SD-WAN make-me-root bug under attack

Cisco today issued a fix for a Catalyst SD-WAN Manager bug that attackers have already spotted and exploited to get root privileges, according to both the networking vendor and the feds. The vulnerability, tracked as CVE-2026-20262, is in the web UI of Cisco Catalyst SD-WAN Manager, and exists because the software is not properly validating user-supplied input during a file upload process. “An attacker could exploit this vulnerability by sending…

Cisco fixes SD-WAN vManage flaw exploited in zero-day attacks

Cisco has released security updates to address a vulnerability in the Catalyst SD-WAN Manager, tracked as CVE-2026-20262, that was exploited in attacks to escalate to root privileges.

Cisco discloses second exploited SD-WAN vulnerability in two weeks (CVE-2026-20262)

Cisco has revealed another Catalyst SD-WAN Manager vulnerability (CVE-2026-20262) that its Product Security Incident Response Team observed being exploited by attackers. But the associated security advisory also states that “the vulnerability was found during internal security testing”, raising the question of how attackers came to exploit it before Cisco had disclosed it publicly. The vulnerability (CVE-2026-20262) Cisco Catalyst SD-WAN Manager…

Cisco Patches Another SD-WAN Zero-Day Exploited in Attacks

Cisco recently became aware of the exploitation of CVE-2026-20262, a Catalyst SD-WAN Manager zero-day that allows arbitrary file write. The post Cisco Patches Another SD-WAN Zero-Day Exploited in Attacks appeared first on SecurityWeek.

Cisco Releases Security Updates for Actively Exploited SD-WAN Manager Flaw

Vulnerability / Network SecurityCisco has released security updates for a medium-severity security

Cisco SD-WAN vManage Vulnerability Exploited in Zero-Day Attacks

Cisco has disclosed a critical security issue in its Catalyst SD-WAN Manager (formerly vManage) that is now being actively exploited in zero-day attacks, raising concerns for enterprise network environments worldwide. The vulnerability, tracked as CVE-2026-20262, is an arbitrary-file-write flaw in the web-based management interface. It carries a CVSS score of 6.5 and stems from improper validation of user-supplied input during file upload operat…