VulnerabilitiesHIGH

Exploitation Alert: Cisco Catalyst SD-WAN Flaws Under Attack

SASecurity AffairsYesterday, 3:14 PM
CVE-2026-20128CVE-2026-20122CiscoSD-WANvulnerabilities
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Basically, two security holes in Cisco devices are being used by hackers right now.

Quick Summary

Cisco has issued a warning about two vulnerabilities in its Catalyst SD-WAN products. Hackers are actively exploiting these flaws, putting many organizations at risk. Immediate updates are crucial to protect your network from potential breaches.

What Happened

Cybersecurity experts are sounding the alarm! Cisco has discovered that two vulnerabilities in its Catalyst SD-WAN products are being actively exploited by threat actors. These vulnerabilities, identified as CVE-2026-20128? and CVE-2026-20122?, were recently patched?, but it seems that some attackers are not waiting for users to update their systems.

Cisco's warning comes as a crucial reminder of how quickly vulnerabilities can be targeted. The company has urged all organizations using its SD-WAN solutions to apply the latest security updates? immediately. The rapid exploitation of these flaws highlights the importance of keeping software up to date, especially in a world where cyber threats are constantly evolving.

Why Should You Care

If you use Cisco's Catalyst SD-WAN products, this news is especially relevant to you. Failing to update your devices could leave your network vulnerable to hackers, who can exploit these flaws to gain unauthorized access. Imagine your home security system being compromised because you didn’t change the batteries in your smoke detector — it’s a similar situation here.

Your company's data, customer information, and even financial assets could be at risk. Keeping your systems updated is like locking your doors and windows; it’s a basic yet crucial step in protecting your digital life. Acting now to patch these vulnerabilities can save you from potential data breaches and financial losses.

What's Being Done

Cisco is actively monitoring the situation and has already released patches for these vulnerabilities. Here’s what you should do right now:

  • Apply the latest security updates for your Catalyst SD-WAN devices immediately.
  • Conduct a security audit to ensure no unauthorized access has occurred.
  • Stay informed about any further updates or advisories from Cisco.

Experts are keeping a close eye on the situation to see if these vulnerabilities lead to larger attacks or if new exploits emerge. The urgency is clear: don’t wait until it’s too late to secure your systems.

💡 Tap dotted terms for explanations

🔒 Pro insight: The swift exploitation of these CVEs underscores the need for proactive patch management in enterprise environments.

Original article from

Security Affairs · Pierluigi Paganini

Read Full Article

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