PT-2025-48140 · Fast · Fast Fac1200R F400 Fac1200R Q

Published 2025-11-26 · Updated 2026-01-02 · CVE-2025-50399

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FAST FAC1200R F400 FAC1200R Q (affected versions not specified)

Description The FAST FAC1200R F400 FAC1200R Q is subject to a buffer overflow condition. This issue occurs in the sub 80435780 function through the password parameter.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2025-50399

Affected Products

Fast Fac1200R F400 Fac1200R Q

References · 8

• 🔥 https://github.com/sezangel/IOT-vul/tree/main/FAST/FAC1200R/1 · Exploit
• https://osv.dev/vulnerability/CVE-2025-50399 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-50399 · Security Note
• https://t.me/cveNotify/147513 · Telegram Post
• https://t.me/CVEtracker/38286 · Telegram Post
• https://t.me/cveNotify/144789 · Telegram Post
• https://twitter.com/CVEnew/status/1993709264943075678 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1993729615060156719 · Twitter Post