Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Remote, unauthenticated, low-complexity command injection on a network-reachable endpoint yields full device C/I/A loss; scope unchanged as the impact stays within the vulnerable firmware.
Primary rating from Vendor (DIVD).
CVSS VectorVendor: DIVD
Lifecycle Timeline
3DescriptionCVE.org
The network diagnosis endpoint on the web server at port 8090 is vulnerable to command injection.
AnalysisAI
Remote code execution in the evbee DC-80 EV charging station is possible through a command injection flaw in the network diagnosis endpoint exposed on the web server at TCP port 8090. Because the CVSS 4.0 vector specifies no privileges and no user interaction (AV:N/PR:N/UI:N), a remote unauthenticated attacker who can reach port 8090 can inject operating-system commands and fully compromise the device. There is no public exploit identified at time of analysis and the flaw is not listed in CISA KEV, but the DIVD coordinated disclosure and 9.3 (Critical) score make it a high-priority defect.
Technical ContextAI
The affected product is the evbee DC-80, an EV charging station (CPE cpe:2.3:a:evbee:dc-80), whose embedded firmware runs a management/diagnostic web service on port 8090. The root cause is CWE-77 (Improper Neutralization of Special Elements used in a Command), meaning user-supplied input to the network-diagnosis feature (typically ping/traceroute-style connectivity tests) is passed into a system shell without adequate sanitization. In embedded IoT and OT devices like EV chargers, such diagnostic helpers commonly invoke underlying OS binaries (e.g. ping) via a shell, so injected metacharacters (;, |, &&, backticks, $()) execute additional attacker-controlled commands, frequently with elevated or root privileges typical of firmware web daemons.
RemediationAI
No vendor-released patch identified at time of analysis, so remediation currently centers on exposure reduction: consult the DIVD advisory at https://csirt.divd.nl/DIVD-2026-00001/ for the latest vendor status and apply any evbee firmware update as soon as one is published. As compensating controls, block or firewall inbound access to TCP port 8090 so it is not reachable from untrusted networks or the internet (side effect: legitimate remote diagnostics/management over that port will break); place the charger on an isolated VLAN or management network with strict ACLs allowing only trusted operator hosts to reach it; and if the network-diagnosis feature is not required, disable it where the device configuration allows (side effect: loss of built-in connectivity troubleshooting). Monitor the device and upstream firewall logs for unexpected requests to port 8090 as a detection measure.
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Same weakness CWE-77 – Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-43326