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3 vulnerabilities found for RealTerm: Serial Terminal by Realterm

CVE-2019-25679 (GCVE-0-2019-25679)
Vulnerability from cvelistv5
Published
2026-04-05 20:45
Modified
2026-04-06 18:02
Severity ?
8.5 (High) - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Summary
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.
References
Impacted products
Vendor Product Version
Realterm RealTerm: Serial Terminal Version: 1.11.2
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CVE-2019-25570 (GCVE-0-2019-25570)
Vulnerability from cvelistv5
Published
2026-03-21 12:47
Modified
2026-03-24 15:15
Severity ?
6.8 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-1260 - Improper Handling of Overlap Between Protected Memory Ranges
Summary
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.
References
Impacted products
Vendor Product Version
Realterm RealTerm: Serial Terminal Version: 2.0.0.70
 Create a notification for this product.
Show details on NVD website

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CVE-2019-25569 (GCVE-0-2019-25569)
Vulnerability from cvelistv5
Published
2026-03-21 12:47
Modified
2026-03-23 20:09
Severity ?
6.9 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Summary
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.
References
Impacted products
Vendor Product Version
Realterm RealTerm: Serial Terminal Version: 2.0.0.70
 Create a notification for this product.
Show details on NVD website

To clipboard 

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