How severe is CVE-2022-30036?

CVE-2022-30036 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-30036 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30036?

CVE-2022-30036 affects Malighting Grandma2 Light Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-30036?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-30036 published?

CVE-2022-30036 was published on 2022-08-21 and last updated on 2026-06-17.

CVE-2022-30036

CVE-2022-30036 is a high-severity vulnerability in Malighting Grandma2 Light Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Malighting Grandma2 Light Firmware
Published: 2022-08-21
Last modified: 2026-06-17

Description

MA Lighting grandMA2 Light has a password of root for the root account. NOTE: The vendor's position is that the product was designed for isolated networks. Also, the successor product, grandMA3, is not affected by this vulnerability.

Frequently asked questions

What is CVE-2022-30036?: MA Lighting grandMA2 Light has a password of root for the root account. NOTE: The vendor's position is that the product was designed for isolated networks. Also, the successor product, grandMA3, is not affected by this vulnerability.
How severe is CVE-2022-30036?: CVE-2022-30036 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-30036 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30036?: CVE-2022-30036 affects Malighting Grandma2 Light Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-30036?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-30036 published?: CVE-2022-30036 was published on 2022-08-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:malighting:grandma2_light_firmware:-:*:*:*:*:*:*:*

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