CVE-2020-6765

Name: CVE-2020-6765
Creator: NVD / NIST
Published: 2020-04-10T19:15:13.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.21%

Last modified Jun 17, 2026

CVE-2020-6765 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.21%

64.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Dlink	Dsl-Gs225 Firmware	<= au_1.0.4

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10165Patch, Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10165Patch, Vendor Advisory

Timeline

Published: Apr 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6765?

How severe is CVE-2020-6765?

CVE-2020-6765 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6765?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6765?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST