CVE-2023-40708

5.3 mediumEPSS 0.5%

Medium (5.3) in opto22 snap pac s1 firmware. EPSS 0.5% chance of exploitation in the next 30 days.

The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-1188
Published: 2023-08-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

opto22:snap_pac_s1_firmware

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02
https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02

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