SANS Internet Storm Center's Daily Network Security News Podcast
A brief daily summary of what is important in information security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually 5 minutes long summary of current network security related events. The content is late breaking, educational and based on listener input as well as on input received by the SANS Internet Storm Center. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .
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SANS Stormcast Monday, January 12th, 2026: PEB Manipulation; YARA Update; VideoLAND and Apache NimBLE Patches (#)
SANS Stormcast Monday, January 12th, 2026: PEB Manipulation; YARA Update; VideoLAND and Apache NimBLE Patches Malicious Process Environment Block Manipulation The process environment block contains metadata about particular processes, but can be manipulated. https://isc.sans.edu/diary/Malicious+Process+Environment+Block+Manipulation/32614/ YARA-X 1.11.0 Release: Hash Function Warnings The latest version of YARA will warn users if a hash rule attempts to match an invalid hash. https://isc.sans.edu/diary/YARA-X%201.11.0%20Release%3A%20Hash%20Function%20Warnings/32616 VideoLAN Security Bulletin VLC 3.0.22 CVE-2025-51602 VideoLAN fixed several vulnerabilities in its VLC software. https://www.videolan.org/security/sb-vlc3022.html Apache NimBLE Bluetooth...
SANS Stormcast Friday, January 9th, 2026: Gephi Analysis; zlib vuln; GnuPG Vulns; Cisco/Cloudflare DNS Issue (#)
SANS Stormcast Friday, January 9th, 2026: Gephi Analysis; zlib vuln; GnuPG Vulns; Cisco/Cloudflare DNS Issue Analysis using Gephi with DShield Sensor Data Gephi is a neat tool to create interactive data visualizations. It can be applied to honeypot data to find data clusters. https://isc.sans.edu/diary/Analysis%20using%20Gephi%20with%20DShield%20Sensor%20Data/32608 zlib v1.3.1.2 Global Buffer Overflow in TGZfname() of zlib untgz Utility The untgz utility that is part of zlib suffers from a straightforward buffer overflow in the filename parameter https://seclists.org/fulldisclosure/2026/Jan/3 GnuPG Vulnerabilities Several vulnerabilities in GnuPG were disclosed during a recent...
SANS Stormcast Thursday, January 8th, 2026: HTML QR Code Phishing; n8n vulnerability; Powerbank Feature Creep (#)
SANS Stormcast Thursday, January 8th, 2026: HTML QR Code Phishing; n8n vulnerability; Powerbank Feature Creep A phishing campaign with QR codes rendered using an HTML table Phishing emails are bypassing filters by encoding QR codes as HTML tables. https://isc.sans.edu/diary/A%20phishing%20campaign%20with%20QR%20codes%20rendered%20using%20an%20HTML%20table/32606 n8n vulnerabilities In recent days, several new n8n vulnerabilities were disclosed. Ensure that you update any on-premises installations and carefully consider what to use n8n for. https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858 https://github.com/n8n-io/n8n/security...
SANS Stormcast Wednesday, January 7th, 2026: Tailsnitch Review; D-Link DSL EoL Vuln; TOTOLINK Unpatched Vuln (#)
SANS Stormcast Wednesday, January 7th, 2026: Tailsnitch Review; D-Link DSL EoL Vuln; TOTOLINK Unpatched Vuln Tool Review: Tailsnitch Tailsnitch is a tool to audit your Tailscale configuration. It does a comprehensive analysis of your configuration and suggests (or even applies) fixes. https://isc.sans.edu/diary/Tool%20Review%3A%20Tailsnitch/32602 D-Link DSL Command Injection via DNS Configuration Endpoint A new vulnerability in very old D-Link DSL modems is currently being exploited. https://www.vulncheck.com/advisories/dlink-dsl-command-injection-via-dns-configuration-endpoint TOTOLINK EX200 firmware-upload error handling can activate an unauthenticated root telnet service TOTOLINK extenders may start a telnet server and allow unauthenticated access if...
SANS Stormcast Tuesday, January 6th, 2026: IPKVM Risks; Tailsnitch; Net-SNMP Vuln; (#)
SANS Stormcast Tuesday, January 6th, 2026: IPKVM Risks; Tailsnitch; Net-SNMP Vuln; Risks of OOB Access via IP KVM Devices Recently, cheap IP KVMs have become popular. But their deployment needs to be secured. https://isc.sans.edu/diary/Risks%20of%20OOB%20Access%20via%20IP%20KVM%20Devices/32598 Tailsnitch Tailsnitch is a tool to review your Tailscale configuration for vulnerabilities https://github.com/Adversis/tailsnitch Net-SNMP snmptrapd vulnerability A new vulnerability in snmptrapd may lead to remote code execution https://github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq keywords: net-snmp; snmp; tailscale; tailsnitch; ipkvm; kvm; nanokvm; pikvm
SANS Stormcast Monday, January 5th, 2026: MongoBleed/React2Shell Recap; Crypto Scams; DNS Stats; Old Fortinet Vulns (#)
SANS Stormcast Monday, January 5th, 2026: MongoBleed/React2Shell Recap; Crypto Scams; DNS Stats; Old Fortinet Vulns Cryptocurrency Scam Emails and Web Pages As We Enter 2026 Scam emails are directing victims to confidence scams attempting to steal cryptocurrencies. https://isc.sans.edu/diary/Cryptocurrency%20Scam%20Emails%20and%20Web%20Pages%20As%20We%20Enter%202026/32594 Debugging DNS response times with tshark tshark is a powerful tool to debug DNS timing issues. https://isc.sans.edu/diary/Debugging+DNS+response+times+with+tshark/32592/ Old Fortinet Devices Have not been updated Over 10,000 Fortinet devices are still vulnerable to a five year old vulnerability https://www.bleepingcomputer...
SANS Stormcast Sunday, December 28th, 2025: MongoDB Unauthenticated Memory Leak CVE-2025-14847 (#)
SANS Stormcast Sunday, December 28th, 2025: MongoDB Unauthenticated Memory Leak CVE-2025-14847 MongoDB Unauthenticated Attacker Sensitive Memory Leak CVE-2025-14847 Over the Christmas holiday, MongoDB patched a sensitive memory leak vulnerability that is now actively being exploited https://www.mongodb.com/community/forums/t/important-mongodb-patch-available/332977 https://github.com/mongodb/mongo/commit/505b660a14698bd2b5233bd94da3917b585c5728 https://www.ox.security/blog/attackers-could-exploit-zlib-to-exfiltrate-data-cve-2025-14847/ https://github.com/joe-desimone/mongobleed/ keywords: mongodb; bleed; memory leak
SANS Stormcast Monday, December 22nd, 2025: TLS Callbacks; FreeBSD RCE; NIST Time Server Issues (#)
SANS Stormcast Monday, December 22nd, 2025: TLS Callbacks; FreeBSD RCE; NIST Time Server Issues DLLs & TLS Callbacks As a follow-up to last week's diary about DLL Entrypoints, Didier is looking at TLS ("Thread Local Storage") and how it can be abused. https://isc.sans.edu/diary/DLLs%20%26%20TLS%20Callbacks/32580 FreeBSD Remote code execution via ND6 Router Advertisements A critical vulnerability in FreeBSD allows for remote code execution. But an attacker must be on the same network. https://www.freebsd.org/security/advisories/FreeBSD-SA-25:12.rtsold.asc NIST Time Server Problems The atomic ensemble time scale at the NIST Boulder campus has failed...
SANS Stormcast Friday, December 19th, 2025: Less Vulnerabie Devices; Critical OneView Vulnerablity; Trufflehog finds JWTs (#)
SANS Stormcast Friday, December 19th, 2025: Less Vulnerabie Devices; Critical OneView Vulnerablity; Trufflehog finds JWTs Positive trends related to public IP range from the year 2025 Fewer ICS systems, as well as fewer systems with outdated SSL versions, are exposed to the internet than before. The trend isn't quite clean for ISC, but SSL2 and SSL3 systems have been cut down by about half. https://isc.sans.edu/diary/Positive%20trends%20related%20to%20public%20IP%20ranges%20from%20the%20year%202025/32584 Hewlett-Packard Enterprise OneView Software, Remote Code Execution HPs OneView Software allows for unauthenticated code execution https://support.hpe.com/hpesc/public/docDisplay?docId...
