JPCERT/CC Archives • Daily CyberSecurity

Exploited in the Wild: Critical 9.8 CVSS RCE Hits Canon GUARDIANWALL MailSuite GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

Exploited in the Wild: Critical 9.8 CVSS RCE Hits Canon GUARDIANWALL MailSuite

Do Son May 14, 2026

In a significant security disclosure, JPCERT/CC has issued an advisory regarding a critical stack-based buffer overflow vulnerability...

JPCERT/CC Warns of Active Exploits Targeting Critical FileZen Command Injection Flaw GUARDIANWALL MailSuite Exploit CVE-2026-32661 FileZen Vulnerability CVE-2026-25108 Ivanti EPMM Vulnerability Dormant Backdoor Fortinet Authentication Bypass CVE-2026-24858 VMware vCenter Server Flaw CVE-2025-21590

JPCERT/CC Warns of Active Exploits Targeting Critical FileZen Command Injection Flaw

Do Son February 16, 2026

A critical security vulnerability in FileZen, the popular file transfer appliance from Soliton Systems K.K., is currently...

CrossC2 and ReadNimeLoader: Inside the Multi-Stage Intrusions Targeting Linux and Windows Environments Cross-platform attacks, Cobalt Strike

CrossC2 and ReadNimeLoader: Inside the Multi-Stage Intrusions Targeting Linux and Windows Environments

Do Son August 18, 2025

Between September and December 2024, JPCERT/CC uncovered a sophisticated cyber campaign leveraging CrossC2, an extension tool designed...

From MDifyLoader to Fscan: JPCERT Uncovers Deep Exploitation of Ivanti VPN Flaws in Advanced Malware Campaign Ivanti Exploitation, Multi-Malware Campaign

Ivanti Exploitation, Multi-Malware Campaign

From MDifyLoader to Fscan: JPCERT Uncovers Deep Exploitation of Ivanti VPN Flaws in Advanced Malware Campaign

Do Son July 22, 2025

JPCERT/CC has released a detailed technical report shedding light on a sustained and sophisticated malware campaign leveraging...

Critical Vulnerabilities Found in Nimesa Backup and Recovery Software Nimesa Backup, Critical Vulnerabilities

Critical Vulnerabilities Found in Nimesa Backup and Recovery Software

Do Son July 8, 2025

JPCERT/CC has issued a warning about two serious vulnerabilities in the Nimesa Backup and Recovery solution, a...

Critical Flaws in ELECOM Routers: JPCERT/CC Issues Warning Over Command Injection and XSS Risks ELECOM Router, Critical Vulnerabilities

Critical Flaws in ELECOM Routers: JPCERT/CC Issues Warning Over Command Injection and XSS Risks

Do Son June 25, 2025

In its latest vulnerability disclosure, JPCERT/CC has sounded the alarm on multiple critical security flaws affecting a...