CVE-2018-6211

Dir 620 Firmware vulnerability

CVSS

7.2

EPSS

5.8%

EPSS pct

92th

Exploited

No known

On D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, OS command injection is possible as a result of incorrect processing of the res_buf parameter to index.cgi.

Affected vendor

D Link

Affected product

Dir 620 Firmware

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2018-06-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2018-6211

Confirm whether D Link Dir 620 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-6211.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-6211

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