SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3182

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

HIGH 8.0EPSS 0.92%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.92% probability · 60th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787, CWE-120
Affected
dlink/dcs-5220 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.92%26 October 202626 October 2026

EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.