Daily Ramblings
Cyber Pulse: Technical Threat Deep Dives on Active CVEs — Metro4Shell RCE in React Native CLI
Intro A critical remote code execution vulnerability is being actively exploited in the wild, targeting the Metro Development Server used by the “@react-native-community/cli” npm package. CVE-2025-11953, tracked as “Metro4Shell,” enables unauthenticated attackers to execute arbitrary operating system commands on exposed hosts, with confirmed real-world exploitation observed since late December 2025. 📌 CVE Context – Affected…
Cyber Pulse: Technical Threat Deep Dives on Active CVEs — Critical Path Traversal in Synology Router Manager
Intro CVE-2026-21509 is a newly disclosed vulnerability affecting Synology Router Manager (SRM), exposing routers to unauthenticated remote command execution through a path traversal flaw. While this isn’t a mainstream exploit (yet), it’s already been picked up by exploit kits targeting small office/home office (SOHO) and edge infrastructure. Anyone using older SRM firmware should assume public…
Cyber Pulse: Technical Threat Deep Dives on Active CVEs — RedVDS and the Industrialization of BEC Infrastructure
Intro Microsoft Threat Intelligence has confirmed widespread, in-the-wild abuse of a virtual dedicated server (VDS) marketplace known as RedVDS, used to enable large-scale business email compromise (BEC), mass phishing, account takeover, and financial fraud. While no single software vulnerability is exploited, RedVDS represents a high-impact infrastructure threat that has directly enabled tens of millions of…
Cyber Pulse: Technical Threat Deep Dives on Active CVEs — January 2026 Patch Tuesday Breakdown
Intro Microsoft’s January 2026 Patch Tuesday addresses 112 vulnerabilities across the Windows and Office ecosystem, including eight rated as critical. One vulnerability, CVE-2026-20805, has already been observed exploited in the wild, raising the urgency for defenders to assess exposure and validate detection coverage across endpoints and core Windows services. 📌 CVE Context – Affected products:…
Cyber Pulse: Technical Threat Deep Dives on Active CVEs — MongoBleed and the Risk of Silent Memory Theft
Intro Before diving in: a quick apology to my readers for the brief silence over the past few weeks. I stepped away during the holidays to spend much-needed time with family and loved ones. Thank you for your patience and unfortunately, the threat landscape did not take a holiday. CVE-2025-14847, known as “MongoBleed,” is a…
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Ramblings of a CyberSecurity Nerd 