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CVE-2022-1359: Cambium Networks cnMaestro Path Traversal

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-17 · updated 2026-06-17
• Weakness: CWE-78

Description

The affected On-Premise cnMaestro is vulnerable to an arbitrary file-write through improper limitation of a pathname to a restricted directory inside a specific route. If an attacker supplied path traversal charters (../) as part of a filename, the server will save the file where the attacker chooses. This could allow an attacker to write any data to any file in the server.

Affected products

• Cambium Networks cnMaestro: 2.4.2, 3.0.0, 3.0.3

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-132-04
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-132-04

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