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TI-2025-29426 Aliases CVE-2025-46776GHSA-xhvc-jjj4-9gq2

Buffer overflow in Fortinet FortiExtender

Priority LOW 35CWE-120Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00167 5th 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
FortinetFortiExtender7.6.0 – 7.6.1; 7.4.0 – 7.4.6; 7.2.0 – 7.2.5; 7.0.0 – 7.0.5—No fix listedCNA
  • FortiExtender VendorFortinet Affected 7.6.0 – 7.6.1; 7.4.0 – 7.4.6; 7.2.0 – 7.2.5; 7.0.0 – 7.0.5 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:*7.0.0 to before 7.4.8; 7.6.0 to before 7.6.3VulnerableFortinet
cpe:2.3:h:fortinet:fortiextender:-:*:*:*:*:*:*:*not specified by NVDRunning onFortinet
  • cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.4.8; 7.6.0 to before 7.6.3 Vulnerable ·Fortinet
  • cpe:2.3:h:fortinet:fortiextender:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-46776
  2. 2026-10-03 Alias added: GHSA-xhvc-jjj4-9gq2

References

Advisory 1

  • TI-2021-17880 A improper neutralization of special elements used in a command ('command injection') in… CVSS 3.1HIGH 8.8
  • TI-2024-15681 Improper access control in Fortinet FortiExtender CVSS 3.1HIGH 8.8
  • TI-2022-07507 Path traversal in Fortinet FortiExtender CVSS 3.1HIGH 7.5
  • TI-2025-39604 OS command injection in Fortinet FortiExtender CVSS 3.1HIGH 7.2
  • TI-2022-10504 OS command injection in Fortinet FortiExtender CVSS 3.1HIGH 7.2
  • TI-2025-29425 A debug messages revealing unnecessary information vulnerability in Fortinet… CVSS 3.1MEDIUM 5.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences