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Fencer Vulns
high 7.8

CVE-2021-3708 in the critical feed json

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

published 2021-08-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26991

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
24.6%
EPSS 24.6% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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.

Exploit prediction

24.56% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • D-Link DSL-2750U

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.