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12 vulnerabilities found for G520 Series by Lantronix
CVE-2026-91191 (GCVE-0-2026-91191)
Vulnerability from nvd – Published: 2026-09-29 21:04 – Updated: 2026-09-29 21:04
VLAI
EPSS
VEX
Title
Lantronix G520 Series Cellular Gateway Improper Verification of Cryptographic Signature
Summary
The device's update mechanism includes conditions that allow unauthorized software packages to be accepted as authentic. During the boot process, the stock done function disables signature verification in the OPKG configuration before restoring optional packages from a writable, unsigned feed. Separately, the publicly distributed SDK contains the production private key whose corresponding public key is trusted by both stable and beta firmware builds. Either issue undermines package authenticity, and together they allow an attacker to provide packages that appear valid to the system. Even if signature enforcement is restored, the exposed production key enables an attacker to generate signatures that the device will continue to trust. An attacker who can supply a malicious package may be able to execute arbitrary code with root privileges during installation.
Severity
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | G520 Series |
Affected:
2.6.0.4R6 stable
|
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CVE-2026-84409 (GCVE-0-2026-84409)
Vulnerability from nvd – Published: 2026-09-29 21:02 – Updated: 2026-09-29 21:02
VLAI
EPSS
VEX
Title
Lantronix G520 Series Cellular Gateway Cross-site Scripting
Summary
The device's update mechanism retrieves metadata for software updates over an unencrypted HTTP connection and stores portions of that metadata for later use. A management interface subsequently returns this stored value in a JSON response, and the web interface responsible for displaying update information inserts that value directly into the page as HTML. This behavior allows attacker‑controlled metadata to be interpreted as script content. In addition, the same authenticated origin provides an interface capable of executing system‑level commands with root privileges. An attacker able to influence update metadata could exploit these conditions to execute arbitrary code within the administrative context of the device.
Severity
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | G520 Series |
Affected:
2.6.0.4R6 stable
|
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CVE-2025-67038 (GCVE-0-2025-67038)
Vulnerability from nvd – Published: 2026-03-11 00:00 – Updated: 2026-09-08 15:30Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when user's authentication fails. The username is directly concatenated with the command without any sanitization. This allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-24 03:55 UTC
CWE
Assigner
References
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | E210 series |
Affected:
0 , < 3.21.0.0R1
(custom)
Unaffected: 3.21.0.0R1 |
|
| Lantronix | E220 series |
Affected:
0 , < 3.21.0.0R1
(custom)
Unaffected: 3.21.0.0R1 |
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"value": "EDS5000 series: Upgrade to version 2.2.0.0R1 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\u003c/a\u003e"
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"value": "E210 series: Upgrade to version 3.21.0.0R1 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1914404865/Latest+firmware+ePack+for+the+E210+Series+E213+E214+E215+E218+Cellular+Routers\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1914404865/Latest+firmware+ePack+for+the+E210+Series+E213+E214+E215+E218+Cellular+Routers\u003c/a\u003e"
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CVE-2025-67037 (GCVE-0-2025-67037)
Vulnerability from nvd – Published: 2026-03-11 00:00 – Updated: 2026-09-04 20:24
VLAI
EPSS
VEX
Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An authenticated attacker can inject OS commands into the "tunnel" parameter when killing a tunnel connection. Injected commands are executed with root privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:40 UTC
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
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CVE-2025-67036 (GCVE-0-2025-67036)
Vulnerability from nvd – Published: 2026-03-11 00:00 – Updated: 2026-09-04 20:19
VLAI
EPSS
VEX
Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The Log Info page allows users to see log files by specifying their names. Due to a missing sanitization in the file name parameter, an authenticated attacker can inject arbitrary OS commands that are executed with root privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:35 UTC
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
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CVE-2025-67034 (GCVE-0-2025-67034)
Vulnerability from nvd – Published: 2026-03-11 00:00 – Updated: 2026-09-04 20:22
VLAI
EPSS
VEX
Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An authenticated attacker can inject OS commands into the "name" parameter when deleting SSL credentials through the management interface. Injected commands are executed with root privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:29 UTC
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
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CVE-2026-91191 (GCVE-0-2026-91191)
Vulnerability from cvelistv5 – Published: 2026-09-29 21:04 – Updated: 2026-09-29 21:04
VLAI
EPSS
VEX
Title
Lantronix G520 Series Cellular Gateway Improper Verification of Cryptographic Signature
Summary
The device's update mechanism includes conditions that allow unauthorized software packages to be accepted as authentic. During the boot process, the stock done function disables signature verification in the OPKG configuration before restoring optional packages from a writable, unsigned feed. Separately, the publicly distributed SDK contains the production private key whose corresponding public key is trusted by both stable and beta firmware builds. Either issue undermines package authenticity, and together they allow an attacker to provide packages that appear valid to the system. Even if signature enforcement is restored, the exposed production key enables an attacker to generate signatures that the device will continue to trust. An attacker who can supply a malicious package may be able to execute arbitrary code with root privileges during installation.
Severity
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | G520 Series |
Affected:
2.6.0.4R6 stable
|
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CVE-2026-84409 (GCVE-0-2026-84409)
Vulnerability from cvelistv5 – Published: 2026-09-29 21:02 – Updated: 2026-09-29 21:02
VLAI
EPSS
VEX
Title
Lantronix G520 Series Cellular Gateway Cross-site Scripting
Summary
The device's update mechanism retrieves metadata for software updates over an unencrypted HTTP connection and stores portions of that metadata for later use. A management interface subsequently returns this stored value in a JSON response, and the web interface responsible for displaying update information inserts that value directly into the page as HTML. This behavior allows attacker‑controlled metadata to be interpreted as script content. In addition, the same authenticated origin provides an interface capable of executing system‑level commands with root privileges. An attacker able to influence update metadata could exploit these conditions to execute arbitrary code within the administrative context of the device.
Severity
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | G520 Series |
Affected:
2.6.0.4R6 stable
|
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CVE-2025-67034 (GCVE-0-2025-67034)
Vulnerability from cvelistv5 – Published: 2026-03-11 00:00 – Updated: 2026-09-04 20:22
VLAI
EPSS
VEX
Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An authenticated attacker can inject OS commands into the "name" parameter when deleting SSL credentials through the management interface. Injected commands are executed with root privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:29 UTC
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
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CVE-2025-67038 (GCVE-0-2025-67038)
Vulnerability from cvelistv5 – Published: 2026-03-11 00:00 – Updated: 2026-09-08 15:30Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when user's authentication fails. The username is directly concatenated with the command without any sanitization. This allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-24 03:55 UTC
CWE
Assigner
References
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | E210 series |
Affected:
0 , < 3.21.0.0R1
(custom)
Unaffected: 3.21.0.0R1 |
|
| Lantronix | E220 series |
Affected:
0 , < 3.21.0.0R1
(custom)
Unaffected: 3.21.0.0R1 |
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"value": "EDS5000 series: Upgrade to version 2.2.0.0R1 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\u003c/a\u003e"
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"value": "G520 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528\u003c/a\u003e"
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CVE-2025-67037 (GCVE-0-2025-67037)
Vulnerability from cvelistv5 – Published: 2026-03-11 00:00 – Updated: 2026-09-04 20:24
VLAI
EPSS
VEX
Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An authenticated attacker can inject OS commands into the "tunnel" parameter when killing a tunnel connection. Injected commands are executed with root privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:40 UTC
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
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CVE-2025-67036 (GCVE-0-2025-67036)
Vulnerability from cvelistv5 – Published: 2026-03-11 00:00 – Updated: 2026-09-04 20:19
VLAI
EPSS
VEX
Title
Lantronix EDS5000, G520, and X300 OS Command Injection
Summary
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The Log Info page allows users to see log files by specifying their names. Due to a missing sanitization in the file name parameter, an authenticated attacker can inject arbitrary OS commands that are executed with root privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:35 UTC
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | EDS5000 series |
Affected:
0 , ≤ 2.1.0.0R3
(custom)
Unaffected: 2.2.0.0R1 |
|
| Lantronix | G520 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
|
| Lantronix | X300 series |
Affected:
0 , < 2.6.0.4R6
(custom)
Unaffected: 2.6.0.4R6 |
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"value": "Latronix has released the following updates addressing this vulnerability. For more information, see the Latronix Vulnerability Library ( https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw )."
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"value": "EDS5000 series: Upgrade to version 2.2.0.0R1 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032\u003c/a\u003e"
}
],
"value": "EDS5000 series: Upgrade to version 2.2.0.0R1 or later. The patch can be found here:\u00a0\n https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032"
},
{
"lang": "en",
"supportingMedia": [
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"value": "G520 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528\u003c/a\u003e"
}
],
"value": "G520 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:\u00a0\n https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528"
},
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"value": "X300 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:\u0026nbsp;\u003cbr\u003e\u003ca href=\"https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2135261185/Latest+firmware+for+the+X300+Series+X300+X303+X304\"\u003ehttps://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2135261185/Latest+firmware+for+the+X300+Series+X300+X303+X304\u003c/a\u003e"
}
],
"value": "X300 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here:\u00a0\n https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2135261185/Latest+firmware+for+the+X300+Series+X300+X303+X304"
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"value": "For more information or technical assistance, contact Lantronix support (Support@lantronix.com).\u003cbr\u003e\u003ca href=\"mailto:Support@lantronix.com\"\u003emailto:Support@lantronix.com\u003c/a\u003e"
}
],
"value": "For more information or technical assistance, contact Lantronix support (Support@lantronix.com).\n mailto:Support@lantronix.com"
}
],
"source": {
"advisory": "ICSA-26-069-02",
"discovery": "UNKNOWN"
},
"title": "Lantronix EDS5000, G520, and X300 OS Command Injection",
"x_generator": {
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}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-67036",
"datePublished": "2026-03-11T00:00:00.000Z",
"dateReserved": "2025-12-08T00:00:00.000Z",
"dateUpdated": "2026-09-04T20:19:40.179Z",
"state": "PUBLISHED"
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