Medium (5.0) in tesla model s firmware. EPSS 0.2% chance of exploitation in the next 30 days.
Tesla Model S Iris Modem Race Condition Firewall Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass the firewall on the Iris modem in affected Tesla Model S vehicles. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the firewall service. The issue results from a failure to obtain the xtables lock. An attacker can leverage this vulnerability to bypass firewall rules. Was ZDI-CAN-23197.
Severity
CVSS 3.0
5.0 medium
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)