Cisco Vulnerability Exploitation: A Wake-Up Call

Infosecurity Magazine reports on a high-severity vulnerability in Cisco Catalyst SD-WAN Manager that was exploited months before its official disclosure. This flaw, which allows attackers to execute arbitrary code, was actively exploited from March 2026. The incident highlights the risks associated with undisclosed vulnerabilities and the potential impact on organisations using affected software.

Why this matters for UK organisations

For UK businesses, this incident underscores the importance of maintaining up-to-date security patches and monitoring for signs of exploitation. The exploitation of this vulnerability demonstrates the potential risks posed by supply chain vulnerabilities and the need for vigilance in managing third-party software.

What to review

Organisations should review their patch management processes to ensure they are up to date with the latest security updates. It's also important to monitor third-party software for vulnerabilities and ensure that appropriate measures are in place to mitigate potential risks.

Source: Infosecurity Magazine