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VulnerabilityPublished

CVE-2025-15348: Anritsu ShockLine · Deserialization of Untrusted Data

Affects Anritsu ShockLineSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.0 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
AnritsuShockLineAffected
  • =2025.4.2
Fixed in–

AI-suggested

To mitigate this vulnerability, European organizations should implement the following specific measures: 1) Immediately restrict the opening or processing of CHX files from untrusted or unknown sources to prevent accidental triggering of the vulnerability. 2) Implement strict file validation and scanning policies using advanced endpoint protection solutions capable of detecting malicious CHX files. 3) Educate users about the risks of opening files from untrusted sources and enforce policies to minimize user interaction with potentially malicious content. 4) Monitor network and endpoint logs for unusual activity related to ShockLine usage or unexpected process executions. 6) Employ application whitelisting to prevent unauthorized code execution within ShockLine’s operational context. 7) Regularly review and update incident response plans to include scenarios involving exploitation of this vulnerability.

Description

CVE-2025-15348 is a high-severity remote code execution vulnerability in Anritsu ShockLine version 2025.4.2. It arises from insecure deserialization of untrusted data during the parsing of CHX files. Exploitation requires user interaction, such as opening a malicious file or visiting a malicious page. Successful exploitation allows attackers to execute arbitrary code with the privileges of the current process, impacting confidentiality, integrity, and availability. No known exploits are currently in the wild. The vulnerability is particularly relevant for organizations using Anritsu ShockLine for network testing and diagnostics. European organizations relying on this product should prioritize patching and implement strict file handling policies. Countries with significant telecom infrastructure and industrial sectors using Anritsu products are at higher risk.

References

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