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Vulnerability record · CVE-2021-3707 · published 16 August 2021

CVE-2021-3707: Dlink dsl-2750u firmware vulnerability

Dlink · Dsl 2750u Firmware

D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to unauthorized configuration modification. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3708, to execute any OS commands on the vulnerable device.

5.5 CVSS 3.1 Medium EPSS 1.5% · top 26.1% CWE-15 · CWE-15
5.5CVSS 3.1 base score, v2 2.1
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to unauthorized configuration modification. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3708, to execute any OS commands on the vulnerable device.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md
https://jvn.jp/en/vu/JVNVU92088210/ Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230 Vendor Advisory
https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md
https://jvn.jp/en/vu/JVNVU92088210/ Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-3707), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.