Sangoma FreePBX web shell exploitation wave (CVE-2025-64328)
Exploitation Wave
Summary
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More than 900 Sangoma FreePBX instances remain web-shell infected after an ongoing exploitation wave tied to CVE-2025-64328. The affected systems span the U.S., Brazil, Canada, Germany, and France, showing broad geographic reach. The flaw enables post-authentication command injection and has already been added to CISA's KEV catalog because it is actively exploited in the wild.
Related Happenings
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Vulnerability
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Last: 24.04.2026 16:35
Sources 1
About this happening:
**CVE-2025-48700** is an **actively exploited XSS flaw** in **Zimbra Collaboration Suite (ZCS)** that can let unauthenticated attackers run JavaScript inside a user's session and...
Zimbra Collaboration Suite actively exploited XSS flaw (CVE-2025-48700)
VulnerabilityAbout this happening: **CVE-2025-48700** is an **actively exploited XSS flaw** in **Zimbra Collaboration Suite (ZCS)** that can let unauthenticated attackers run JavaScript inside a user's session and...
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Vulnerability
First: 20.03.2026 20:48
Last: 20.03.2026 20:48
Sources 1
About this happening:
Oracle issued an **out-of-band update** to fix **CVE-2026-21992**, a **critical unauthenticated remote code execution** flaw in **Oracle Identity Manager** and **Oracle Web Servic...
Oracle Identity Manager and Oracle Web Services Manager unauthenticated RCE (CVE-2026-21992)
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Vulnerability
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Last: 19.03.2026 15:00
Sources 1
About this happening:
**CVE-2026-22557** in the **UniFi Network Application** is a **path traversal** flaw affecting **version 10.1.85 and earlier** that can expose files and enable **possible account...
UniFi Network Application path traversal flaw (CVE-2026-22557)
VulnerabilityAbout this happening: **CVE-2026-22557** in the **UniFi Network Application** is a **path traversal** flaw affecting **version 10.1.85 and earlier** that can expose files and enable **possible account...
GNU InetUtils telnetd pre-auth buffer overflow (CVE-2026-32746)
Vulnerability
First: 18.03.2026 07:06
Last: 18.03.2026 07:06
Sources 1
About this happening:
A **critical CVE-2026-32746** flaw in **GNU InetUtils telnetd** lets an **unauthenticated attacker** trigger **remote code execution as root** over **port 23**, exposing internet-...
GNU InetUtils telnetd pre-auth buffer overflow (CVE-2026-32746)
VulnerabilityAbout this happening: A **critical CVE-2026-32746** flaw in **GNU InetUtils telnetd** lets an **unauthenticated attacker** trigger **remote code execution as root** over **port 23**, exposing internet-...
CISA KEV listing for Wing FTP CVE-2025-47813
Public Sector Action
First: 17.03.2026 07:23
Last: 17.03.2026 07:23
Sources 1
About this happening:
CISA added **CVE-2025-47813** in **Wing FTP Server** to the **KEV catalog** after evidence of **active exploitation**, putting the flaw under formal government tracking. The listi...
CISA KEV listing for Wing FTP CVE-2025-47813
Public Sector ActionAbout this happening: CISA added **CVE-2025-47813** in **Wing FTP Server** to the **KEV catalog** after evidence of **active exploitation**, putting the flaw under formal government tracking. The listi...
Timeline
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27.02.2026 19:59 2 articles · 2mo ago
Shadowserver reports ongoing FreePBX web-shell infections
Campaign Scope UpdateShadowserver Foundation says more than 900 Sangoma FreePBX instances remain infected with web shells after exploitation of CVE-2025-64328, a post-authentication command injection flaw affecting FreePBX versions higher than and including 17.0.2.36 and fixed in 17.0.3. The affected systems include 401 in the U.S., 51 in Brazil, 43 in Canada, 40 in Germany, and 36 in France, and FreePBX users are advised to restrict ACP access, block hostile networks, update the filestore module, and upgrade to 17.0.3 or later.
Show sources
- 900+ Sangoma FreePBX Instances Compromised in Ongoing Web Shell Attacks — thehackernews.com — 27.02.2026 19:59
- 900+ Sangoma FreePBX Instances Compromised in Ongoing Web Shell Attacks — thehackernews.com — 27.02.2026 19:59