CVE-2026-1138CWE-119CWE-120

UTT 进取 520W ConfigExceptQQ strcpy buffer overflow

High · published January 19, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
62.3
In the wild
Unconfirmed
What it is

⚡ A seemingly harmless function is the key to a remote exploit! In version 1.7.7-180627 of UTT 进取, a buffer overflow vulnerability allows attackers to manipulate a simple call to strcpy, opening the door to chaos! Think of it like a restaurant that accepts any order without checking if the kitchen can handle it — one wrong ingredient can ruin the entire dish. If the strcpy function isn’t carefully managed, it can overfill the buffer, spilling over into unwanted areas of memory! An attacker could leverage this flaw to execute arbitrary code on the server, potentially gaining complete control over the system! This could lead to data breaches, unauthorized access, and wreak havoc on your network. The consequences could be absolutely devastating!

Put simply

Think of it like a restaurant that accepts any order without checking if the kitchen can handle it — one wrong ingredient can ruin the entire dish. If the strcpy function isn’t carefully managed, it can overfill the buffer, spilling over into unwanted areas of memory! The vulnerability in UTT 进取 520W involves a buffer overflow due to improper handling in the strcpy function located in /goform/ConfigExceptQQ, allowing a malicious actor to overwrite memory areas that could lead to remote code execution.

What to do

An attacker could leverage this flaw to execute arbitrary code on the server, potentially gaining complete control over the system! This could lead to data breaches, unauthorized access, and wreak havoc on your network. The consequences could be absolutely devastating! Immediate action is crucial! First, patch to the latest version as soon as it’s available. In the meantime, restrict access to the vulnerable endpoint and monitor system logs for any suspicious activity. Stay vigilant! You've got this! Address these issues swiftly, and you'll keep your system secure and sound. 🛡️

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
0.00995 · 62.3th 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
2026-01-19T04:32Z
EPSS history
Timeline
  • 19 JAN 04:32Z
    UTT 进取 520W ConfigExceptQQ strcpy buffer overflow
    cvelistv5