CVE-2025-8321

Name: CVE-2025-8321
Creator: NVD / NIST
Published: 2025-07-30T01:15:26.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.44%

Last modified Jun 17, 2026

CVE-2025-8321 is a vulnerability of currently unknown severity. Tesla Wall Connector Firmware Downgrade Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Tesla Wall Connector devices. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Tesla Wall Connector Firmware Downgrade Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Tesla Wall Connector devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware upgrade feature. The issue results from the lack of an anti-downgrade mechanism. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the device. Was ZDI-CAN-26299.

Metrics

EPSS Probability

0.44%

35.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1328

Affected Software

Vendor	Product	Versions
Tesla	Wall Connector Firmware	< 24.44.3

References

https://www.zerodayinitiative.com/advisories/ZDI-25-712/Third Party Advisory

Timeline

Published: Jul 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8321?

How severe is CVE-2025-8321?

Severity scoring for CVE-2025-8321 is pending analysis. The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8321?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8321?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST