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CVE-2025-8321

Tesla Wall Connector Firmware Downgrade Vulnerability

MEDIUM
6.8
CVSS Score
Published: July 30, 2025 at 12:50 AM UTC
Updated: June 17, 2026 at 10:06 AM UTC
2 products affected across 1 vendorWall Connector FirmwareWall Connector

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wall Connector Firmware· Tesla
95%
v < 24.44.324.44.1
Affected range stops below 24.44.3, so it looks safe — our inference, not a vendor statement
tesla-wall-connector (same device)
Wall Connector· Tesladevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_research-advisoryThird Party Advisory
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-25-712/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMzdi
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1328

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