CVE-2026-3868

HIGH
8.7
CVSS Score
Published: April 27, 2026 at 02:56 AM UTC
Updated: June 17, 2026 at 10:44 AM UTC
2 products affected across 1 vendorEDR-G9010EDR-8010

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Severity
HIGH8.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

An improper handling of the length parameter inconsistency vulnerability has been identified in Moxa’s Secure Router. Because of improper validation of length parameters in the HTTPS management interface, an unauthenticated remote attacker could send specially crafted requests that trigger a buffer overflow condition, causing the web service to become unresponsive. Successful exploitation may result in a denial-of-service condition requiring a device reboot to restore normal operation. While successful exploitation can severely impact the availability of the affected device, no impact to the confidentiality or integrity of the affected product has been identified. Additionally, no confidentiality, integrity, or availability impact to the subsequent system has been identified.

Affected

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

1.0 ≤ v ≤ 3.231.0
Vendor states this is fixed in 3.24 (unaffected)
1.0 ≤ v ≤ 3.23.11.0
Vendor states this is fixed in 3.24 (unaffected)

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

8.7HIGHMoxa
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-130

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