CVE-2025-8321

6.8 mediumEPSS 0.4%

Medium (6.8) in tesla wall connector firmware. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

6.8 medium

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-1328
Published: 2025-07-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tesla:wall_connector_firmware

References

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

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