CVE-2019-25679 | Realterm Serial Terminal 1.11.2 Echo Port Tab out-of-bounds write (Exploit 46441 / EDB-46441)

VDB-355467 · CVE-2019-25679 · EXPLOIT 46441 REALTERM SERIAL TERMINAL 1.11.2 ECHO PORT TAB OUT-OF-BOUNDS WRITE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 0.54+ Summaryinfo A vulnerability was found in Realterm Serial Terminal 1.11.2. It has been rated as critical. This affects an unknown part of the component Echo Port Tab. Performing a manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2019-25679. The attack requires a local approach. Moreover, an exploit is present. Detailsinfo A vulnerability, which was classified as critical, was found in Realterm Serial Terminal 1.11.2. This affects an unknown function of the component Echo Port Tab. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: 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. The weakness was disclosed by Matteo Malvica as 46441. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2019-25679 since 04/05/2026. The exploitability is told to be easy. Attacking locally is a requirement. Technical details are unknown but a public exploit is available. The exploit is shared for download 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 vulnerability database at Exploit-DB (46441). Productinfo Vendor Realterm Name Serial Terminal Version 1.11.2 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: 6.5 VulDB Meta Temp Score: 6.3 VulDB Base Score: 5.3 VulDB Temp Score: 4.8 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.8 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: Out-of-bounds write CWE: CWE-787 / 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 04/05/2026 CVE reserved 04/06/2026 +1 days Advisory disclosed 04/06/2026 +0 days VulDB entry created 04/06/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 46441 Researcher: Matteo Malvica Status: Not defined CVE: CVE-2019-25679 (🔒) GCVE (CVE): GCVE-0-2019-25679 GCVE (VulDB): GCVE-100-355467 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/06/2026 08:08 Changes: 04/06/2026 08:08 (80) Complete: 🔍 Cache ID: 99:94D:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸