Time-of-check time-of-use race condition in Tesla Model 3
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Tesla Model 3 Gateway Firmware Signature Validation Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Tesla Model 3 vehicles. An attacker must first obtain the ability to execute privileged code on the Tesla infotainment system in order to exploit this vulnerability. The specific flaw exists within the handling of firmware updates. The issue results from improper error-handling during the update process. An attacker can leverage this vulnerability to execute code in the context of Tesla's Gateway ECU. . Was ZDI-CAN-20734.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tesla | Model 3 | Model 3 - 2023.6 | — | No fix listed | CNA |
- Model 3 VendorTesla Affected Model 3 - 2023.6 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32156
- 2026-10-03 Alias added: GHSA-v757-7wm5-j6j9
References
Advisory 1
More Tesla Model 3 Firmware vulnerabilities
- TI-2019-07342 The renderer process in the entertainment system on Tesla Model 3 vehicles mishandles JIT… CVSS 3.0HIGH 8.8
- TI-2022-20636 Buffer overflow in Tesla Model 3 CVSS 3.1HIGH 7.8
- TI-2022-20635 Use after free in Tesla Model 3 CVSS 3.1HIGH 7.8
- TI-2025-01820 Integer overflow in Tesla Model 3 CVSS 3.0HIGH 7.5
- TI-2022-10816 Certain Tesla vehicles through 2022-03-26 allow attackers to open the charging port via a… CVSS 3.1HIGH 7.2
- TI-2023-15460 Heap-based buffer overflow in Tesla Model 3 CVSS 3.1HIGH 7.5
Sources
- CVE-2023-32156 · CVE Program
- CVE-2023-32156 · NVD
- FIRST EPSS
- GHSA-v757-7wm5-j6j9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences