CVE-2021-3708

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 24.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-16 · updated 2026-06-17
Weakness: CWE-78

Description

D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to OS command injection. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3707, to execute any OS commands on the vulnerable device.

Affected products

D-Link DSL-2750U: through 1.16

References

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

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