CVE-2026-0837CWE-119CWE-120

UTT 进取 520W formFireWall strcpy buffer overflow

High · published January 11, 2026

CVSS v4.0
8.7
EPSS
4%
Percentile
90.2
In the wild
Unconfirmed
What it is

⚡ Remote attackers can trigger a buffer overflow just by manipulating a single argument! This vulnerability lurks in UTT 进取 520W 1.7.7-180627, where a carelessly processed GroupName can spell disaster! 🔥 Think of it like a package handler misplacing a delivery label. Instead of sending the package to the right address, they leave it unattended long enough for someone to sneak in and fill it with anything, potentially damaging the entire delivery system. With this vulnerability, an attacker could gain remote control, allowing them to execute malicious code on the device. This could lead to unauthorized access, data breaches, or even taking full control of the affected system—absolutely devastating consequences!

Put simply

Think of it like a package handler misplacing a delivery label. Instead of sending the package to the right address, they leave it unattended long enough for someone to sneak in and fill it with anything, potentially damaging the entire delivery system. This buffer overflow vulnerability is in the strcpy function of the /goform/formFireWall file, where inadequate input validation permits attackers to overflow the buffer and potentially execute arbitrary code.

What to do

With this vulnerability, an attacker could gain remote control, allowing them to execute malicious code on the device. This could lead to unauthorized access, data breaches, or even taking full control of the affected system—absolutely devastating consequences! Immediate action is crucial! Ensure you patch UTT 进取 to version 1.7.7-180628 or later. Additionally, review your input validation procedures to prevent any similar exploitation of buffer overflows in the future. This is fixable! Stay vigilant, follow the steps to patch, and you'll have this covered in no time! 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.03873 · 90.2th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-01-11T05:02Z
EPSS history
Timeline
  • 11 JAN 05:02Z
    UTT 进取 520W formFireWall strcpy buffer overflow
    cvelistv5