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8.0

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

CVE-2021-3182 · published 5 years ago
Summary

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

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
dlink dcs-5220_firmware All versions
cpe:2.3:o:dlink:dcs-5220_firmware:-:*:*:*:*:*:*:*
Original advisory text
D-Link DCS-5220 devices have a buffer overflow. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
D-Link DCS-5220 devices have a buffer overflow. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.0 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
CWE-120Classic Buffer Overflow
Timeline
Published19 Jan 2021
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-3182 · NVD
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