CVE-2019-25570 | Realterm Serial Terminal 2.0.0.70 Port overlap between protected memory ranges (Exploit 46390 / EDB-46390)

VDB-352355 · CVE-2019-25570 · EXPLOIT 46390 REALTERM SERIAL TERMINAL 2.0.0.70 PORT OVERLAP BETWEEN PROTECTED MEMORY RANGES HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.2 $0-$5k 2.42+ Summaryinfo A vulnerability has been found in Realterm Serial Terminal 2.0.0.70 and classified as problematic. This vulnerability affects unknown code. The manipulation of the argument Port leads to improper handling of overlap between protected memory ranges. This vulnerability is referenced as CVE-2019-25570. The attack can only be performed from a local environment. Furthermore, an exploit is available. Detailsinfo A vulnerability was found in Realterm Serial Terminal 2.0.0.70 and classified as problematic. This issue affects an unknown part. The manipulation of the argument Port with an unknown input leads to a improper handling of overlap between protected memory ranges vulnerability. Using CWE to declare the problem leads to CWE-1260. The product allows address regions to overlap, which can result in the bypassing of intended memory protection. Impacted is availability. The summary by CVE is: 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. The weakness was published by Alejandra Sánchez as 46390. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2019-25570 since 03/21/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known. The exploit is available at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the databases at Exploit-DB (46390) and EUVD (EUVD-2019-19888). Productinfo Vendor Realterm Name Serial Terminal Version 2.0.0.70 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 4.4 VulDB Meta Temp Score: 4.2 VulDB Base Score: 3.3 VulDB Temp Score: 3.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.5 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Improper handling of overlap between protected memory ranges CWE: CWE-1260 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: Partially Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days CVE reserved 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 46390 Researcher: Alejandra Sánchez Status: Not defined CVE: CVE-2019-25570 (🔒) GCVE (CVE): GCVE-0-2019-25570 GCVE (VulDB): GCVE-100-352355 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/21/2026 15:55 Updated: 03/21/2026 17:13 Changes: 03/21/2026 15:55 (79), 03/21/2026 17:13 (1) Complete: 🔍 Cache ID: 99:ACE:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸