How severe is CVE-2021-46247?

CVE-2021-46247 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-46247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46247?

CVE-2021-46247 affects Asus Cmax6000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46247?

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-2021-46247 published?

CVE-2021-46247 was published on 2022-02-17 and last updated on 2026-06-17.

CVE-2021-46247

CVE-2021-46247 is a high-severity vulnerability in Asus Cmax6000 Firmware with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Asus Cmax6000 Firmware
Published: 2022-02-17
Last modified: 2026-06-17

Description

The use of a hard-coded cryptographic key significantly increases the possibility encrypted data may be recovered from ASUS CMAX6000 v1.02.00.

Frequently asked questions

What is CVE-2021-46247?: The use of a hard-coded cryptographic key significantly increases the possibility encrypted data may be recovered from ASUS CMAX6000 v1.02.00.
How severe is CVE-2021-46247?: CVE-2021-46247 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-46247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46247?: CVE-2021-46247 affects Asus Cmax6000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46247?: 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-2021-46247 published?: CVE-2021-46247 was published on 2022-02-17 and last updated on 2026-06-17.

References

https://drive.google.com/drive/folders/1lSaxWKiNKRkeZxQanEMpt906aUgDGUk_?usp=sharing

Affected products (1)

cpe:2.3:o:asus:cmax6000_firmware:1.02.00:*:*:*:*:*:*:*

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