Buffer Overflow Vulnerability in FAST FAC1200R Products
CVE-2025-50399

9.8CRITICAL

Key Information:

Vendor

FAST

Status
FAC1200R
Vendor
CVE Published:
26 November 2025

What is CVE-2025-50399?

The FAST FAC1200R F400_FAC1200R_Q is susceptible to a buffer overflow vulnerability triggered by improper handling of the password parameter in the function sub_80435780. This flaw could allow attackers to exploit the overflow, potentially leading to unauthorized access or execution of arbitrary code, posing significant security risks to users and their data.

References

https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC120...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.