title: Web Server Buffer Overflow Vulnerability
description: A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them  vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.
problem types: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
affected:
{
defaultStatus: unaffected
product: EDR-810 Series
vendor: Moxa
versions:
lessThanOrEqual: 5.12.28, status: affected, version: 1.0, versionType: custom
}
{
defaultStatus: unaffected
product: EDR G902 Series
vendor: Moxa
versions:
lessThanOrEqual: 5.7.20, status: affected, version: 1.0, versionType: custom
}
{
defaultStatus: unaffected
product: EDR G903 Series
vendor: Moxa
versions:
lessThanOrEqual: 5.7.20, status: affected, version: 1.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 6.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Moxa has developed appropriate solutions to address the vulnerabilities. The solutions for affected products are shown below.
*  EDR-810 Series: Please upgrade to firmware v5.12.29 or later
*  EDR-G902 Series: Please upgrade to firmware v5.7.21 or later
*  EDR-G903 Series: Please upgrade to firmware v5.7.21 or later