VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published EPSS 24.6% probability of exploitation in 30 days
D-Link

CVE-2021-3708: D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to OS command injection.

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 309 public reports, the first from .

How likely is exploitation in the next 30 days?
24.6%

EPSS score, percentile 97.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • firmware vME1.16 or prior versions

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

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.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
D-Link DSL-2750U
StatusVersions
Affectedfirmware vME1.16 or prior versions

Source: CVE List, as of . About the data.

Weakness

CWE-78
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

References

3

Known exploited D-Link vulnerabilities

  • CVE-2025-29635: D-Link DIR-823X Command Injection Vulnerability (added )
  • CVE-2022-37055: D-Link Routers Buffer Overflow Vulnerability (added )
  • CVE-2020-25078: D-Link DCS-2530L and DCS-2670L Devices Unspecified Vulnerability (added )
  • CVE-2020-25079: D-Link DCS-2530L and DCS-2670L Command Injection Vulnerability (added )
  • CVE-2022-40799: D-Link DNR-322L Download of Code Without Integrity Check Vulnerability (added )