Anritsu ShockLine CHX File Parsing Directory Traversal Remote Code Execution Vulnerability
July 24th, 2025
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Anritsu ShockLine. 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 a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the current user.
Additional Details
Fixed in ShockLine version: 2025.4.2
https://www.anritsu.com/en-us/test-measurement/support/downloads/software/dwl18844
Disclosure Timeline
- 2025-05-15 - Vulnerability reported to vendor
- 2025-07-24 - Coordinated public release of advisory
- 2025-07-24 - Advisory Updated
Credit
kimiya
