Stay informed on Cisco security updates, threats, and solutions. Get the latest news and expert insights on Cisco information security developments.
Search across headline titles and summaries.
Background for this topic.
Cisco is a multinational technology conglomerate headquartered in San Jose, California, known for its networking hardware, software, and telecommunications equipment. Cisco designs and sells a wide range of technologies that have become the backbone of the internet and enterprise networks around the world.
In the context of information security, Cisco provides a comprehensive suite of security solutions designed to safeguard networks, systems, and data. These solutions include firewalls, intrusion prevention systems, network access control, advanced malware protection, and cloud-based security. Cisco's security products and services are built to offer threat defense, incident response, and enhanced network visibility to protect against sophisticated cyber threats. Moreover, through continuous research and development, Cisco remains at the forefront of cybersecurity innovation, offering tools and expertise that support a robust security posture for businesses of all sizes.
Weekly headline count for the current query.
A high-severity flaw in Cisco Catalyst SD-WAN Manager disclosed in early June was exploited as early as March
An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant
Cisco warned that CVE-2026-20262, a Catalyst SD-WAN Manager vulnerability allowing arbitrary file writes, is being actively exploited. Cisco confirmed active exploitation of CVE-2026-20262, an arbitrary file write vulnerability affecting Catalyst SD-WAN Manager. CVE-2026-20262 (CVSS score of 6.5) is an arbitrary file write vulnerability in the web interface of Cisco Catalyst SD-WAN Manager. The flaw is […]
Cisco has released security updates for a medium-severity security flaw in Catalyst SD-WAN Manager that has come under active exploitation in the wild
Second Catalyst SD-WAN Manager flaw exploited as an 0-day this month
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 has warned that a high-severity security flaw impacting Catalyst SD-WAN Manager has come under active exploitation
Cisco warns of CVE-2026-20245 in SD-WAN Manager, a flaw that can lead to root access via file upload command injection; no patch or workaround yet. Cisco warns of a privilege escalation flaw, tracked as CVE-2026-20245 (CVSS base score of 7.8), in Cisco Catalyst SD-WAN Manager, the platform formerly known as SD-WAN vManage. An authenticated local […]
On Thursday, Cisco warned of a high-severity, unpatched zero-day in the Cisco Catalyst SD-WAN Manager (tracked as CVE-2026-20245) actively exploited in attacks enabling root privilege escalation. [...]
Broken vdaemon Peering Authentication Enables Unauthenticated Admin AccessA maximum-severity vulnerability in Cisco Catalyst SD-WAN Controller is being actively exploited, giving attackers administrative privileges without authentication. The authentication bypass vulnerability stems from a broken peering authentication mechanism.
Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices. [...]
Cisco has released updates to address a maximum-severity authentication bypass flaw in Catalyst SD-WAN Controller that it said has been exploited in limited attacks