CVE-2025-50402

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-50402
FAST FAC1200R F400_FAC1200R_Q is vulnerable to Buffer Overflow in the function sub_80435780 via the parameter string fac_password.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/2 Exploit Third Party Advisory
https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/2 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:fastcom:fac1200r_firmware:f400_fac1200r_q:*:*:*:*:*:*:*
cpe:2.3:h:fastcom:fac1200r:-:*:*:*:*:*:*:*
History

02 Jan 2026, 14:46

Type Values Removed Values Added
CPE cpe:2.3:o:fastcom:fac1200r_firmware:f400_fac1200r_q:*:*:*:*:*:*:*
cpe:2.3:h:fastcom:fac1200r:-:*:*:*:*:*:*:*
First Time Fastcom
Fastcom fac1200r
Fastcom fac1200r Firmware
References () https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/2 - () https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/2 - Exploit, Third Party Advisory

04 Dec 2025, 20:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-120
References () https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/2 - () https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/2 -

26 Nov 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-11-26 16:15

Updated : 2026-01-02 14:46

NVD link : CVE-2025-50402

Mitre link : CVE-2025-50402

CVE.ORG link : CVE-2025-50402

JSON object : View

Products Affected

fastcom

  • fac1200r
  • fac1200r_firmware
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')