Echatserver's vulnerability footprint concentrates in its Easy Chat Server product, a communication platform where disclosures skew strongly toward critical-severity outcomes and frequently acquire public exploit code. The recurring weakness classes—out-of-bounds writes, classic buffer overflows, credential handling flaws, and improper source verification—reflect memory-safety and authentication challenges endemic to network communication software. Live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Echatserver over time
Signals from CVEs in this vendor scope (7 CVEs).
7 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2017-9544CRITICAL There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult. | Jun 12, 2017 | 9.8 | 54 | NO | YES |
CVE-2018-25221CRITICAL EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username paramet | Mar 28, 2026 | 9.8 | 33 | NO | NO |
CVE-2019-25613HIGH Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the application by sending oversized data in the message parameter. Attackers | Mar 22, 2026 | 7.5 | 25 | NO | NO |
CVE-2019-20502HIGH An issue was discovered in EFS Easy Chat Server 3.1. There is a buffer overflow via a long body2.ghp message parameter. | Mar 5, 2020 | 7.5 | 24 | NO | NO |
CVE-2017-9557HIGH register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to discover passwords by sending the username parameter in conjunction with an empty passw | Jun 12, 2017 | 7.5 | 24 | NO | NO |
CVE-2017-9543HIGH register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary passwords via a crafted POST request to registresult.htm. | Jun 12, 2017 | 7.5 | 24 | NO | NO |
CVE-2022-44939HIGH Efs Software Easy Chat Server Version 3.1 was discovered to contain a DLL hijacking vulnerability via the component TextShaping.dll. This vulnerability allows attackers to execute | Jan 6, 2023 | 7.8 | 20 | NO | NO |
Signals from CVEs in this vendor scope (7 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Echatserver.
Media articles that mention a CVE ID that affects a product developed by Echatserver — matched by CVE ID, not by vendor name.