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CVE-2021-22909

A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack…

High7.5EPSS 1.3%
Published
Updated
Reserved
Assigned by
hackerone

Description

A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.

Scores

CVSS scores of CVE-2021-22909, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.3% · top 30% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • EdgeMAX EdgeRouter

    • affected Fixed Version: 2.0.9-hotfix.1 or later.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .