Privilege Escalation in Cellular Router, Secure Router, and Network Security Appliances

published 2025-01-03 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-50434

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Moxa’s cellular routers, secure routers, and network security appliances are affected by a high-severity vulnerability, CVE-2024-9138. This vulnerability involves hard-coded credentials, enabling an authenticated user to escalate privileges and gain root-level access to the system, posing a significant security risk.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 22 mo ago (2025-01-03)

Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	4.0	8.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Moxa EDR-810 Series
Moxa EDR-8010 Series
Moxa EDR-G902 Series
Moxa EDR-G903 Series
Moxa EDR-G9004 Series
Moxa EDR-G9010 Series
Moxa EDF-G1002-BP Series
Moxa NAT-102 Series
Moxa OnCell G4302-LTE4 Series
Moxa TN-4900 Series

Classification

Weakness

CWE-656 Reliance on Security Through Obscurity

References

moxa.com /en/support/product-support/security-advisory/mpsa-241155-privilege-escalation-and-os-command-injection-vulner
vendor-advisory

Sources

CVE List CVE-2024-9138
NVD CVE-2024-9138

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary