CVE-2021-3708

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

24.6% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-08-16 05:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:05 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 24.6% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-08-16 05:15 UTC

Last modified

2026-06-17 04:05 UTC

Exploit probability

24.6% · EPSS, next 30 days

Weakness

CWE-78 · OS command injection

Record status

Modified

Affected

• Dlink dsl-2750u Firmware ≤ 1.16

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-3708.md and follow it. Check whether this project is affected by CVE-2021-3708. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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