Skip to content

Vendor

OPTO 22 vulnerabilities

9 published CVES affecting OPTO 22, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
9
Critical
3
High
4
Medium
2
Low
0
Unscored
0
CISA KEV
0
Atom feed of OPTO 22 alerts

Products

Latest OPTO 22 CVEs

Newest publication first

  1. HighCVSS 7.5 EPSS 0.55%

    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 v...

  2. CriticalCVSS 9.8 EPSS 5.3%

    A vulnerable file in Opto 22 PAC Project Professional versions prior to R9.4006, PAC Project Basic versions prior to R9.4006, PAC Display Basic versions prior to R9.4f, PAC Display Professional versions prior to R9.4f, OptoOPCServer versions prior to R9.4c, and OptoDataLink versi...

  3. HighCVSS 7.8 EPSS 2.7%

    A specially crafted configuration file could be used to cause a stack-based buffer overflow condition in the OPCTest.exe, which may allow remote code execution on Opto 22 PAC Project Professional versions prior to R9.4008, PAC Project Basic versions prior to R9.4008, PAC Display...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.