CVE-2025-15351 Anritsu VectorStar CHX File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnerability
Remote attackers can execute arbitrary code by tricking users into opening malicious CHX files in Anritsu VectorStar software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-15351?
CVE-2025-15351 is a high-severity unsafe deserialization vulnerability in Anritsu VectorStar, published on 23 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Anritsu VectorStar CHX File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Anritsu VectorStar. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of CHX files. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27040.
Weakness: CWE-502
Which versions are affected by CVE-2025-15351?
It affects 1 product.
Products include Anritsu Vectorstar.
How do I fix CVE-2025-15351?
No fix has been published for CVE-2025-15351 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-15351 being exploited?
There is no known exploitation of CVE-2025-15351 in the wild and no public exploit code.
Other vulnerabilities in Anritsu VectorStar
Sources
Also known as GHSA-h2p7-f5xm-chhv.