DENIAL OF SERVICE VIA ARP PACKETS
Priority MEDIUM 46CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
The massive sending of ARP requests causes a denial of service on one board of the charger that allows control of the EV interfaces. Since the board must be operating correctly for the charger to also function correctly.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0037 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22540
- 2026-10-03 Alias added: GHSA-q22q-86rc-668c
References
More EFACEC vulnerabilities
- TI-2026-18112 DENIAL OF SERVICE FOR CONCURRENT CONNECTIONS ON TELNET CVSS 4.0CRITICAL 9.2
- TI-2026-18114 EXCHANGE OF CREDENTIALS IN CLEAR TEXT CVSS 4.0HIGH 8.7
- TI-2023-27653 Uncontrolled Resource Consumption in EFACEC BCU 500 CVSS 3.1CRITICAL 9.6
- TI-2026-18111 DENIAL OF SERVICE VIA ICMP PACKETS CVSS 4.0HIGH 8.2
- TI-2026-18106 FRAIL SECURITY IN MQTT PROTOCOL ALLOWS AN ATTACKER MODIFY CRITICAL PARAMETERS CVSS 4.0HIGH 8.9
- TI-2026-18107 PRIVILEGE ESCALATION VIA SUDO COMMAND CVSS 4.0HIGH 8.6
Sources
- CVE-2026-22540 · CVE Program
- CVE-2026-22540 · NVD
- FIRST EPSS
- GHSA-q22q-86rc-668c · 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