CVE-2018-5453

highpriority · track · 30EPSS 0.012 · 68 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.18% (68th) EPSS

CVSS 7.8 · high

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationOnCell G3100-HSPA Seriescisa_csaf_ot
Moxa has released new firmware for OnCell G3100-HSPA that is available via the following link:
https://www.moxa.com/support/download.aspx?type=support&id=13668

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-130USCWE-130US

affected products (7)

Products and version ranges known to be affected.

OnCell G3100-HSPA Series: version 1.4 Build 16062919 and priorall versionscisa_csaf_otUS
Moxa OnCell G3100-HSPA Series≤ 1.4 Build 160062919cisa_csaf_otUS
n/a Moxa OnCell G3100-HSPA Series≤ Moxa OnCell G3100-HSPA Seriesenisa_euvdEU
moxa oncell g3110-hspa firmware≤ 1.4nvdUScpe:2.3:o:moxa:oncell_g3110-hspa_firmware:*:*:*:*:*:*:*:*
moxa oncell g3110-hspa-t firmware≤ 1.4nvdUScpe:2.3:o:moxa:oncell_g3110-hspa-t_firmware:*:*:*:*:*:*:*:*
moxa oncell g3150-hspa firmware≤ 1.4nvdUScpe:2.3:o:moxa:oncell_g3150-hspa_firmware:*:*:*:*:*:*:*:*
moxa oncell g3150-hspa-t firmware≤ 1.4nvdUScpe:2.3:o:moxa:oncell_g3150-hspa-t_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-060-02Moxa OnCell G3100-HSPA Series2018-03-01icsa · cisa_csaf_otUS
ATTENTION: Remotely exploitable/low skill level to exploit.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-03-05modified 2026-06-17

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Related entries.

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+21023 more

references (4)

External citations — patches, advisories, analysis.

https://ics-cert.us-cert.gov/advisories/ICSA-18-060-02 cnnvd
https://www.moxa.com/support/download.aspx?type=support&id=13668Patchcnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-060-02 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-060-02PatchThird Party AdvisoryUS Government Resourcenvd

scry

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