How severe is CVE-2020-6841?

CVE-2020-6841 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6841?

CVE-2020-6841 affects Dlink Dch-m225 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6841?

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

When was CVE-2020-6841 published?

CVE-2020-6841 was published on 2020-02-21 and last updated on 2026-06-17.

CVE-2020-6841

CVE-2020-6841 is a critical-severity vulnerability in Dlink Dch-m225 Firmware with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dlink Dch-m225 Firmware
Published: 2020-02-21
Last modified: 2026-06-17

Description

D-Link DCH-M225 1.05b01 and earlier devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in the spotifyConnect.php userName parameter.

Frequently asked questions

What is CVE-2020-6841?: D-Link DCH-M225 1.05b01 and earlier devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in the spotifyConnect.php userName parameter.
How severe is CVE-2020-6841?: CVE-2020-6841 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6841?: CVE-2020-6841 affects Dlink Dch-m225 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-6841 published?: CVE-2020-6841 was published on 2020-02-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dch-m225_firmware:*:*:*:*:*:*:*:*

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