CVE-2025-8321 json
Tesla Wall Connector Firmware Downgrade Vulnerability
published 2025-07-30 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-23137
- cvss
- 6.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- tesla wall_connector_firmware 24.44.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 15 mo ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.8 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Tesla Wall Connector
Classification
- Weakness
-
- CWE-1328 Security Version Number Mutable to Older Versions
References
-
zerodayinitiative.com
/advisories/ZDI-25-712/
third-party-advisory
Sources
- CVE List CVE-2025-8321
- NVD CVE-2025-8321
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