CVE-2019-25570
RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field
- State
- Published
- Severity
- 6.8 Medium
- Published
- Mar 21, 2026
- Updated
- Mar 24, 2026
- Reserved
- Mar 21, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 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 | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-1260 Improper Handling of Overlap Between Protected Memory Ranges
Affected Products
| Product | Versions |
|---|---|
RealTerm: Serial TerminalRealterm |
|
References
- ExploitDB-46390exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Fieldthird-party-advisory
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