Anritsu VectorStar CHX File Parser deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Anritsu VectorStar. It has been classified as critical. The impacted element is an unknown function of the component CHX File Parser. The manipulation leads to deserialization. This vulnerability is documented as CVE-2025-15351. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Anritsu VectorStar (unknown version) and classified as critical. This issue affects an unknown code block of the component CHX File Parser. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2025-15351. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/25/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/30/2025 Advisory disclosed
12/30/2025 +0 days VulDB entry created
01/25/2026 +26 days VulDB entry last update

Sourcesinfo

Advisory: ZDI-25-1202
Status: Not defined

CVE: CVE-2025-15351 (🔒)
GCVE (CVE): GCVE-0-2025-15351
GCVE (VulDB): GCVE-100-339071

Entryinfo

Created: 12/30/2025 18:36
Updated: 01/25/2026 01:52
Changes: 12/30/2025 18:36 (49), 01/25/2026 01:52 (12)
Complete: 🔍
Cache ID: 216::103

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