CVE-2021-46379

Dir 850l Firmware vulnerability

CVSS

6.1

EPSS

15.7%

EPSS pct

97th

Exploited

No known

DLink DIR850 ET850-1.08TRb03 is affected by an incorrect access control vulnerability through URL redirection to untrusted site.

Affected vendor

Dlink

Affected product

Dir 850l Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-601 — Open Redirect

Published

2022-03-04

Risk analysis

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

Its EPSS score of 15.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2021-46379

Confirm whether Dlink Dir 850l Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-46379.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-46379

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-46379 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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