CVE-2025-2082 – This vulnerability allows network-adjacent atta... (How to Fix)

Q: What is the severity of CVE-2025-2082?

CVE-2025-2082 has a CVSS score of 7.5 (HIGH). This vulnerability allows network-adjacent attackers to execute arbitrary code on Tesla Model 3 vehicles by exploiting an integer overflow in the VCSEC module via manipulated TPMS certificate responses. Attackers can send arbitrary messages to the vehicle CAN bus without authentication. Only Tesla Model 3 vehicles with vulnerable VCSEC firmware are affected.

📋 TL;DR

This vulnerability allows network-adjacent attackers to execute arbitrary code on Tesla Model 3 vehicles by exploiting an integer overflow in the VCSEC module via manipulated TPMS certificate responses. Attackers can send arbitrary messages to the vehicle CAN bus without authentication. Only Tesla Model 3 vehicles with vulnerable VCSEC firmware are affected.

💻 Affected Systems

Products:

Tesla Model 3

Versions: Specific VCSEC firmware versions not publicly disclosed

Operating Systems: Tesla vehicle firmware

Default Config Vulnerable: ⚠️ Yes

Notes: Requires attacker to be within Bluetooth/WiFi range of vehicle; TPMS communication is wireless

📦 What is this software?

Model 3 Firmware by Tesla

View all CVEs affecting Model 3 Firmware →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full vehicle compromise allowing attacker to control critical systems (brakes, steering, acceleration), disable safety features, or exfiltrate sensitive vehicle data.

🟠

Likely Case

Limited vehicle system manipulation (door locks, windows, climate control) or denial of service through CAN bus message injection.

🟢

If Mitigated

Attack prevented by network segmentation and firmware updates; only diagnostic access possible if attacker reaches vehicle network.

🌐 Internet-Facing: LOW (requires proximity to vehicle Bluetooth/WiFi)

🏢 Internal Only: HIGH (once on vehicle network, exploitation is straightforward)

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Requires understanding of TPMS protocol and VCSEC memory layout; ZDI advisory suggests working exploit

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Tesla firmware update (specific version not disclosed)

Vendor Advisory: https://www.tesla.com/support/security-advisories

Restart Required: Yes

Instructions:

1. Connect vehicle to WiFi
2. Navigate to Controls > Software
3. Install available firmware updates
4. Vehicle will restart automatically

🔧 Temporary Workarounds

Disable Bluetooth when parked

tesla-vehicle

Prevents wireless attack vectors when vehicle is unattended

Controls > Safety & Security > Allow Mobile Access > Off

🧯 If You Can't Patch

Park in Faraday cage/shielded garage when not in use
Disable all wireless connectivity (Bluetooth, WiFi) through service mode

🔍 How to Verify

Check if Vulnerable:

Check VCSEC firmware version via Tesla service diagnostic tools

Check Version:

Not applicable via command line; use vehicle touchscreen interface

Verify Fix Applied:

Verify firmware version is updated beyond vulnerable version via Controls > Software

📡 Detection & Monitoring

Log Indicators:

VCSEC module crash logs
Unusual TPMS certificate validation failures
CAN bus message rate anomalies

Network Indicators:

Unusual Bluetooth/TPMS traffic patterns
Spoofed TPMS certificate transmissions

SIEM Query:

Not applicable for vehicle systems; monitor Tesla telemetry for anomalies

📊 Metadata

CVE ID: CVE-2025-2082

CVSS v3 Score: 7.5 (HIGH)

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

CWE: CWE-190

EPSS Score: 0.05% exploit probability (16.5th percentile)

Published: April 30, 2025

Last Updated: August 12, 2025

🔗 References

https://www.zerodayinitiative.com/advisories/ZDI-25-265/ Third Party Advisory

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