How severe is CVE-2025-8473?

CVE-2025-8473 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-8473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8473?

CVE-2025-8473 affects Alpsalpine Ilx-507 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8473 have an EU (EUVD) identifier?

Yes. CVE-2025-8473 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23401.

When was CVE-2025-8473 published?

CVE-2025-8473 was published on 2025-08-01 and last updated on 2026-06-17.

CVE-2025-8473

CVE-2025-8473 is a medium-severity vulnerability in Alpsalpine Ilx-507 Firmware with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23401
Weakness: CWE-78
Affected product: Alpsalpine Ilx-507 Firmware
Published: 2025-08-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-8473?: 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.
How severe is CVE-2025-8473?: CVE-2025-8473 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-8473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8473?: CVE-2025-8473 affects Alpsalpine Ilx-507 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8473 have an EU (EUVD) identifier?: Yes. CVE-2025-8473 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23401.
When was CVE-2025-8473 published?: CVE-2025-8473 was published on 2025-08-01 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:alpsalpine:ilx-507_firmware:6.0.000:*:*:*:*:*:*:*

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