CVE-2025-8320 Tesla Wall Connector Content-Length Header Improper Input Validation Remote Code Execution Vulnerability
Network-adjacent attackers can execute arbitrary code on Tesla Wall Connector devices via improper validation of the HTTP Content-Length header.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8320?
CVE-2025-8320 is a high-severity memory corruption vulnerability in Tesla Wall Connector, published on 30 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Tesla Wall Connector Content-Length Header Improper Input Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent 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 parsing of the HTTP Content-Length header. The issue results from the lack of proper validation of user-supplied data, which can result in memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-26300.
Weakness: CWE-1284
Which versions are affected by CVE-2025-8320?
It affects 1 product.
Products include Tesla Wall Connector Firmware.
How do I fix CVE-2025-8320?
No fix has been published for CVE-2025-8320 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-8320 being exploited?
There is no known exploitation of CVE-2025-8320 in the wild and no public exploit code.
Other vulnerabilities in Tesla Wall Connector
Sources
Also known as GHSA-xgh5-7gp7-7mg3.