How severe is CVE-2020-6765?

CVE-2020-6765 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6765 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6765?

CVE-2020-6765 affects Dlink Dsl-gs225 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6765?

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-2020-6765 published?

CVE-2020-6765 was published on 2020-04-10 and last updated on 2026-06-17.

CVE-2020-6765

CVE-2020-6765 is a high-severity vulnerability in Dlink Dsl-gs225 Firmware with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dlink Dsl-gs225 Firmware
Published: 2020-04-10
Last modified: 2026-06-17

Description

D-Link DSL-GS225 J1 AU_1.0.4 devices allow an admin to execute OS commands by placing shell metacharacters after a supported CLI command, as demonstrated by ping -c1 127.0.0.1; cat/etc/passwd. The CLI is reachable by TELNET.

Frequently asked questions

What is CVE-2020-6765?: D-Link DSL-GS225 J1 AU_1.0.4 devices allow an admin to execute OS commands by placing shell metacharacters after a supported CLI command, as demonstrated by ping -c1 127.0.0.1; cat/etc/passwd. The CLI is reachable by TELNET.
How severe is CVE-2020-6765?: CVE-2020-6765 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6765 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6765?: CVE-2020-6765 affects Dlink Dsl-gs225 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6765?: 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-2020-6765 published?: CVE-2020-6765 was published on 2020-04-10 and last updated on 2026-06-17.

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10165

Affected products (1)

cpe:2.3:o:dlink:dsl-gs225_firmware:*:*:*:*:*:*:*:*

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