CVE-2022-38625

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-29 · updated 2026-06-17
Weakness: CWE-345

Description

Patlite NH-FB v1.46 and below was discovered to contain insufficient firmware validation during the upgrade firmware file upload process. This vulnerability allows authenticated attackers to create and upload their own custom-built firmware and inject malicious code. NOTE: the vendor's position is that this is a design choice, not a vulnerability

Affected products

Patlite Nbm-D88N Firmware: through 1.46
Patlite Nhl-3Fb1 Firmware: through 1.46
Patlite Nhl-3Fv1N Firmware: through 1.46

References

https://gist.github.com/Nwqda/dfad4e11b545dd40aebca6031d202f66
https://www.patlite.com/network-products/lineup/nh-fb.html
https://www.youtube.com/watch?v=4r9FH6U2VR8
https://gist.github.com/Nwqda/dfad4e11b545dd40aebca6031d202f66
https://www.patlite.com/network-products/lineup/nh-fb.html
https://www.youtube.com/watch?v=4r9FH6U2VR8

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