Crun vulnerabilities
Published CVEs affecting Crun products: 3 record(s), with severity, exploitation and fixes.
CVE-2019-25679
High · 7.8
CWE-787 Apr 5, 2026
RealTerm Serial Terminal 2.0.0.70 Buffer Overflow SEH
RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a buffer overflow payload with a POP POP RET gadget chain and shellcode that triggers code execution when pasted into the Port field and the Change button is clicked.
CVE-2019-25570
Medium · 5.5
CWE-1260 Mar 21, 2026
RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field
RealTerm Serial Terminal 2.0.0.70 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Port field. Attackers can paste a buffer of 1000 characters into the Port input field and click the open button to trigger a crash.
CVE-2019-25569
Medium · 5.5
CWE-787 Mar 21, 2026
RealTerm Serial Terminal 2.0.0.70 SEH Overflow Crash
RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by triggering a structured exception handler (SEH) chain corruption. Attackers can craft a malicious input string with 268 bytes of padding followed by SEH overwrite values and paste it into the Port field to cause denial of service.