Secure Firewall ASA (< 3.12.4.0) - CraftedSignal Threat Feedhttps://feed.craftedsignal.io/products/secure-firewall-asa--3.12.4.0/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioThu, 22 Oct 2026 10:47:10 +0000https://feed.craftedsignal.io/favicon-32x32.pngCraftedSignal Threat Feedhttps://feed.craftedsignal.io/3232https://feed.craftedsignal.io/favicon.svgCisco Security Updates for Expressway, Unified Communications, and Snort 3https://feed.craftedsignal.io/briefs/2026-10-cisco-security-patches/Thu, 22 Oct 2026 10:47:10 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-10-cisco-security-patches/Cisco has patched 34 vulnerabilities, including critical-severity remote code execution and authentication bypass flaws, affecting Expressway Series, Unified Communications products, and Snort 3.Cisco released security updates addressing 34 vulnerabilities across multiple product lines, including Expressway Series, Unified Communications products, Snort 3, IOS XR, and Secure Client. The vulnerabilities include critical-severity flaws capable of remote code execution (RCE), authentication bypass, and denial-of-service (DoS). Cisco reports no evidence of active exploitation in the wild as of the release date.

Impact

Successful exploitation of critical vulnerabilities, such as CVE-2026-76466 in the Expressway Series, could allow an unauthenticated attacker to execute arbitrary commands with root privileges on the underlying operating system. Other vulnerabilities in Unified Communications and Snort 3 permit unauthorized resource access, authentication bypass, or arbitrary command execution.

Recommendation

  • Inventory systems running Cisco Expressway Series, Unified Communications Manager (and related products), and Snort 3 deployments.
  • Upgrade Cisco Expressway Series to version X15.5.20 or later.
  • Upgrade Snort 3 to version 3.12.4.0 or later.
  • Apply the corresponding security updates for peripheral products including Cyber Vision, CDFW, Meraki MX, Secure Firewall ASA, Secure FMC, Secure FTD, and UTD for IOS XE.
  • Monitor Cisco’s official security advisories page for specific upgrade paths for impacted Unified Communications products.
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