CVE-2025-8473: Alpine iLX-507 UPDM_wstpCBCUpdStart Command Injection Vulnerability

Severity: medium (CVSS 6.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-01 · updated 2026-06-17
Weakness: CWE-78

Description

Alpine iLX-507 UPDM_wstpCBCUpdStart Command Injection Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine iLX-507 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPDM_wstpCBCUpdStart function. The issue results from the lack of proper validation of user-supplied data before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26317.

Affected products

Alpine iLX-507: 6.0.000

References

https://www.zerodayinitiative.com/advisories/ZDI-25-762/

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