SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5453

An Improper Handling of Length Parameter Inconsistency issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior.

HIGH 7.5EPSS 1.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An Improper Handling of Length Parameter Inconsistency issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. An attacker may be able to edit the element of an HTTP request, causing the device to become unavailable.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.18% probability · 68th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-130, CWE-119
Affected
moxa/oncell g3110-hspa firmware · moxa/oncell g3110-hspa-t firmware · moxa/oncell g3150-hspa firmware · moxa/oncell g3150-hspa-t firmware
Source
ics-cert@hq.dhs.gov
EPSS trend
0%3%5%27 October 2026: 1.18%27 October 202627 October 2026

EPSS 1.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.