CVE-2023-30400: An issue was discovered in Anyka Microelectronics AK3918EV300 MCU v18

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2023-30400 is a critical-severity flaw (CVSS 9.8) affecting ak3918ev300 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Anyka Microelectronics AK3918EV300 MCU v18. A command injection vulnerability in the network configuration script within the MCU's operating system allows attackers to perform arbitrary command execution via a crafted wifi SSID or password.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.5% (top 11%)
CISA exploited list	No
Weakness	CWE-77
Published	2023-06-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: anyka

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-07 01:15 UTCPublished CVE record published
2026-06-17 05:54 UTCUpdated Record last modified

anyka ak3918ev300 firmware MITIGATE

Affected: 18

Fixed in: no fixed release known

Safe to downgrade to: a release before 18

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-30400?

ak3918ev300 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-30400 being exploited?

CVE-2023-30400 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-30400 affect?

CVE-2023-30400 affects ak3918ev300 firmware. Severity is critical (CVSS 9.8). An issue was discovered in Anyka Microelectronics AK3918EV300 MCU v18. A command injection vulnerability in the network configuration script within the MCU's operating system allows attackers to perform arbitrary command execution via a cra

How urgent is CVE-2023-30400?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

References

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