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TI-2021-02258 Aliases CVE-2021-3182GHSA-jwq5-x3fj-mjph

D-Link DCS-5220 devices have a buffer overflow.

Priority LOW 39CWE-120Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

D-Link DCS-5220 devices have a buffer overflow. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00925 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:dlink:dcs-5220_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableD-Link Japan K.K.
cpe:2.3:h:dlink:dcs-5220:-:*:*:*:*:*:*:*not specified by NVDRunning onD-Link Japan K.K.
  • cpe:2.3:o:dlink:dcs-5220_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link Japan K.K.
  • cpe:2.3:h:dlink:dcs-5220:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3182
  2. 2026-10-03 Alias added: GHSA-jwq5-x3fj-mjph

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences