Netizen Blog and News
The Netizen team sharing expertise, insights and useful information in cybersecurity, compliance, and software assurance.
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Category: Application Security
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Today’s Topics: Fake PoCs and AI Noise Are Slowing Real Vulnerability Response The React2Shell vulnerability exposed a growing problem that many security teams are now facing: a flood of “proof-of-concept” (PoC) exploits that either do not work or only apply in narrow edge cases. Some of the most visible examples appear to have been generated…
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In October 2025, Netizen’s Security Operations Center identified five critical vulnerabilities, including CVE-2025-59287 in Microsoft WSUS and CVE-2025-61882 in Oracle E-Business Suite, posing severe threats. Urgent patching is advised to prevent exploitation, with attackers gaining unauthorized access, control, or deploying malware across networks, affecting data integrity and operational security.
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Fortinet has issued a new advisory warning customers that CVE-2020-12812, an improper authentication flaw first disclosed in 2020, is once again being used in real-world attacks. The weakness affects FortiOS SSL VPN under specific configurations and allows users to authenticate without being prompted for a second factor simply by changing the letter case of the…
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CVE-2025-55182, commonly referred to as React2Shell, is a critical pre-authentication remote code execution (RCE) flaw impacting React Server Components (RSC), Next.js, and related frameworks. The bug sits in the way affected versions parse and trust serialized payloads sent via the Flight protocol. With a CVSS score of 10.0, the vulnerability allows a single HTTP request…
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Small and mid-sized businesses increasingly depend on automated security tools to defend their environments. Endpoint agents, vulnerability scanners, cloud security dashboards, and automated alerting platforms promise broad coverage with minimal staffing. For organizations under cost pressure, automation feels like a rational tradeoff. The issue is not that these tools lack value; it is that automation…
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Today’s Topics: Cisco AsyncOS Zero-Day Actively Exploited in Targeted Email Gateway Intrusions Cisco has issued an urgent warning regarding an actively exploited, maximum-severity zero-day vulnerability affecting Cisco AsyncOS software used by Cisco Secure Email Gateway (SEG) and Cisco Secure Email and Web Manager appliances. The flaw, tracked as CVE-2025-20393 with a CVSS score of 10.0,…
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Security teams often begin with a simple set of tools that match the size of their environment. Over time, though, new cloud platforms, business applications, and compliance obligations introduce more alerts, more data, and more risks. Each new challenge tends to bring another vendor product into the stack. Before long, the security program is made…
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U.S. Customs and Border Protection is moving into a decisive phase of its quantum preparedness program as it approaches 2026. Senior leadership has framed this effort as a necessary response to long-term cryptographic risk rather than a speculative research exercise. The focus centers on protecting sensitive government data against future cryptanalytic breakthroughs tied to large-scale…
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A rootkit is a class of post-exploitation malware built to preserve long-term, privileged access to a compromised system while actively concealing its presence. Unlike most malware families that prioritize immediate payload execution or data theft, a rootkit exists to subvert visibility itself. It alters how an operating system reports processes, files, memory, network activity, and…
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Today’s Topics: Featured Browser Extensions Caught Harvesting AI Chat Data at Scale A Chrome browser extension promoted as a trusted, “Featured” tool has been caught quietly collecting AI chat conversations at massive scale, raising serious questions about extension marketplace oversight and user consent in AI-heavy workflows. Urban VPN Proxy, a Chrome extension with roughly six…
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