Risk Letters

Exploited vulnerability

CVE-2025-32756

TLP:CLEAR

Fortinet Multiple Products Stack-Based Buffer Overflow Vulnerability

Fortinet FortiFone, FortiVoice, FortiNDR and FortiMail contain a stack-based overflow vulnerability that may allow a remote unauthenticated attacker to execute arbitrary code or commands via crafted HTTP requests.

Facts

  • Vendor: Fortinet
  • Product: Multiple Products
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 30.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 14 May 2025
  • First known exploitation: 14 May 2025
  • CISA's deadline for US federal agencies: 4 June 2025
  • Weakness: CWE-124
  • First seen by Risk Letters: 14 May 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD