CVE-2025-15351CWE-502

Anritsu VectorStar CHX File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnerability

High · published January 23, 2026

CVSS v3.0
7.8
EPSS
0%
Percentile
29.3
In the wild
Unconfirmed
What it is

⚡ A single CHX file is all it takes for an attacker to run wild! This deserialization vulnerability in Anritsu VectorStar opens the door to remote code execution, but user interaction is key! 🔥 Think of this flaw like a file cabinet with a faulty lock; if someone gains access to the wrong drawer (by opening a malicious CHX file), they can alter anything inside without your knowledge. An attacker could execute arbitrary code within the VectorStar process, potentially leading to data theft, unauthorized changes, or even full system control! This poses a significant risk, especially in sensitive environments where the integrity of data is crucial.

Put simply

Think of this flaw like a file cabinet with a faulty lock; if someone gains access to the wrong drawer (by opening a malicious CHX file), they can alter anything inside without your knowledge. The vulnerability arises from improper validation of user-supplied data during CHX file parsing, allowing deserialization of untrusted data and enabling remote code execution in the context of the current process.

What to do

An attacker could execute arbitrary code within the VectorStar process, potentially leading to data theft, unauthorized changes, or even full system control! This poses a significant risk, especially in sensitive environments where the integrity of data is crucial. To protect yourself, ensure you update Anritsu VectorStar to the latest version that addresses this vulnerability. Additionally, educate users about the risks of opening unknown CHX files or visiting suspicious links. Implement security measures that monitor and restrict such interactions. You've got this! Follow these steps, and you'll have your defenses up in no time. 🛡️

The record
Technical detail
CVSS v3.0
7.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00366 · 29.3th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-01-23T03:31Z
EPSS history
Timeline
  • 23 JAN 03:31Z
    Anritsu VectorStar CHX File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnerability
    cvelistv5