Read the docs
TI-2025-31016 Aliases CVE-2025-48839GHSA-25x7-2m3g-jhfw

Out-of-bounds write in Fortinet FortiADC

Priority LOW 30CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

An Out-of-bounds Write vulnerability [CWE-787] in FortiADC 8.0.0, 7.6.0 through 7.6.2, 7.4.0 through 7.4.7, 7.2 all versions, 7.1 all versions, 7.0 all versions, 6.2 all versions may allow an authenticated attacker to execute arbitrary code via specially crafted HTTP requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00384 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiADC8.0.0; 7.6.0 – 7.6.2; 7.4.0 – 7.4.7; 7.2.0 – 7.2.8; 7.1.0 – 7.1.5; 7.0.0 – 7.0.6; 6.2.0 – 6.2.6—No fix listedCNA
  • FortiADC VendorFortinet Affected 8.0.0; 7.6.0 – 7.6.2; 7.4.0 – 7.4.7; 7.2.0 – 7.2.8; 7.1.0 – 7.1.5; 7.0.0 – 7.0.6; 6.2.0 – 6.2.6 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*6.2.0 to before 7.4.8; 7.6.0 to before 7.6.3VulnerableFortinet
cpe:2.3:a:fortinet:fortiadc:8.0.0:*:*:*:*:*:*:*8.0.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:* Versions 6.2.0 to before 7.4.8; 7.6.0 to before 7.6.3 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortiadc:8.0.0:*:*:*:*:*:*:* Versions 8.0.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-48839
  2. 2026-10-03 Alias added: GHSA-25x7-2m3g-jhfw

References

  • TI-2018-09612 Incorrect permission assignment in Fortinet FortiOS, fortiADC KEVCVSS 3.1MEDIUM 4.3
  • TI-2022-18008 An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0… CVSS 3.1CRITICAL 9.8
  • TI-2023-10904 A permissive cross-domain policy with untrusted domains vulnerability in Fortinet… CVSS 3.1CRITICAL 9.1
  • TI-2022-18913 OS command injection in Fortinet FortiADC CVSS 3.1HIGH 8.8
  • TI-2022-18001 Cross-site scripting in Fortinet FortiADC CVSS 3.1HIGH 8.8
  • TI-2023-11386 Improper access control in Fortinet FortiADC CVSS 3.1HIGH 8.8
See all 42 →

Sources