CVE-2023-4452

Web Server Buffer Overflow Vulnerability

HIGH
7.5
CVSS Score
Published: November 1, 2023 at 02:24 PM UTC
Updated: June 17, 2026 at 06:37 AM UTC
17 products affected across 1 vendorEDR G903 FirmwareEDR G902-t FirmwareEDR G903-t Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.12.29
Affected range stops below 5.12.29, so it looks safe — our inference, not a vendor statement
moxa-edr-810-2gsfp (same device)
v < 5.12.29
Affected range stops below 5.12.29, so it looks safe — our inference, not a vendor statement
moxa-edr-810-2gsfp-t (same device)
v < 5.12.29
Affected range stops below 5.12.29, so it looks safe — our inference, not a vendor statement
moxa-edr-810-vpn-2gsfp (same device)
v < 5.12.29
Affected range stops below 5.12.29, so it looks safe — our inference, not a vendor statement
moxa-edr-810-vpn-2gsfp-t (same device)
v < 5.7.21
Affected range stops below 5.7.21, so it looks safe — our inference, not a vendor statement
moxa-edr-g902 (same device)
v < 5.7.21
Affected range stops below 5.7.21, so it looks safe — our inference, not a vendor statement
moxa-edr-g902-t (same device)
v < 5.7.21
Affected range stops below 5.7.21, so it looks safe — our inference, not a vendor statement
moxa-edr-g903 (same device)
v < 5.7.21
Affected range stops below 5.7.21, so it looks safe — our inference, not a vendor statement
moxa-edr-g903-t (same device)
1.0 ≤ v ≤ 5.12.281.0
1.0 ≤ v ≤ 5.7.201.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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