The Q1 vulnerability pulse

Welcome to this week's edition of the Threat Source newsletter. The first quarter of 2026 passed faster than a misconfigured firewall rule gets exploited -- and the last few weeks have been firmly stamped with the "software supply chain compromise" label, with headlines surrounding incidents...

Hackers Exploit Zero-Day Bugs in Draytek Devices to Target Enterprise Networks

Cybersecurity researchers with Qihoo 360's NetLab today unveiled details of two recently spotted zero-day cyberattack campaigns in the wild targeting enterprise-grade networking devices manufactured by Taiwan-based DrayTek. According to the report, at least two separate groups of hackers exploite...

Cisco Releases Flood of Patches for IOS XE, But Leaves Some Routers Open to Attack

UDPATE Cisco Systems issued 24 patches Wednesday tied to vulnerabilities in its IOS XE operating system and warned customers that two small business routers RV320 and RV325 are vulnerable to attack and that no patches are available for either. A total of 19 of the bugs were rated high severity by...

Black Hat 2014: Multipath TCP Introduces Security Blind Spot

If multipath TCP is the next big thing to bring resilience and efficiency to networking, then there are some serious security issues to address before it goes mainstream. MPTCP is an extension to the Internet’s primary communication protocol. It allows a TCP session to move over multiple...

Digi International Gateways Vulnerable to Heartbleed

Wireless Web mesh gateways used everywhere from industrial control environments to home area networks are vulnerable to the Heartbleed OpenSSL vulnerability. The Industrial Control System Computer Emergency Response Team ICS-CERT issued an advisory Thursday warning SCADA and ICS managers with Dig...

D-Link Patches Backdoor Vulnerabilities in Routers

D-Link has patched a backdoor present in a number of its routers that was publicized almost two months ago and could allow an attacker to remotely access the administrative panel on the hardware, run code and make any number of changes. The Thanksgiving patch parade addressed the issue in a numbe...

Common Firewall Feature Enables TCP Hijacking Attacks

Attackers using a feature that is common to many firewalls, switches and other networking gear could silently hijack Web sessions on mobile and desktop devices, according to a research paper presented by two Ph.D students from the University of Michigan. The two discovered that so-called TCP...