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Rapid7 Senior Principal Security Researcher Stephen Fewer discovered CVE-2026-0826, a critical unauthenticated stack-based buffer overflow vulnerability affecting multiple HP Poly VoIP devices. If you’ve been around vulnerability research long enough, the bug class here is going to feel very familiar. And Read More …
Rapid7 Labs conducted a zero-day research project against the Grandstream GXP1600 series of Voice over Internet Protocol (VoIP) phones. This research resulted in the discovery of a critical unauthenticated stack-based buffer overflow vulnerability, CVE-2026-2329. A remote attacker can leverage CVE-2026-2329 Read More …
There is a critical security flaw in a Cisco phone adapter, and the business technology giant says the only step to take is dumping the hardware and migrating to new kit. In an advisory, Cisco this week warned about the Read More …
CISA has released a new Malware Analysis Report (MAR) on an infostealer known as ICONICSTEALER. This trojan has been identified as a variant of malware used in the supply chain attack against 3CX’s Desktop App. CISA recommends users and administrators Read More …
On March 29, Crowdstrike published a report about a supply chain attack conducted via 3CXDesktopApp, a popular VoIP program. Since then, the security community has started analyzing the attack and sharing their findings. The following has been discovered so far: Read More …
Cloudflare released its Q3 DDoS Attack Trends report this week, capping a record-setting quarter that saw a number of devastating attacks on VoIP services. Cloudflare researchers said they saw the several “record-setting HTTP DDoS attacks, terabit-strong network-layer attacks and one Read More …
Messaging provider Fuze has resolved a trio of vulnerabilities in its TPN Handset Portal. The access controls and authentication flaws, discovered by security tools firm Rapid7, created a means for hackers to obtain personal data about Fuze users ranging from Read More …
