What’s Vulnerable › Vulnerabilities

CVE-2023-40710

• Severity: high (CVSS 7.5 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: 2023-08-24 · updated 2026-06-17
• Weakness: CWE-770

Description

An adversary could cause a continuous restart loop to the entire device by sending a large quantity of HTTP GET requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b

Affected products

• OPTO 22 SNAP PAC S1: r10.3b

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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