Search
Find a vulnerability
Search criteria
1 vulnerability found for EG500Mk2-A11001-000101 by Welotec
CVE-2025-41702 (GCVE-0-2025-41702)
Vulnerability from cvelistv5 – Published: 2025-08-26 06:10 – Updated: 2025-08-26 19:39
VLAI
EPSS
VEX
Title
egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass
Summary
The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-26 19:37 UTC
CWE
- CWE-321 - Use of Hard-coded Cryptographic Key
Assigner
References
1 reference
Impacted products
25 products
| Vendor | Product | Version | |
|---|---|---|---|
| Welotec | EG400Mk2-D11001-000101 |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG400Mk2-D11101-000101 |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG503W |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG503L |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG503W_4GB |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG503L_4GB |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG503L-G |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-A11101-000101 |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-A11001-000101 |
Affected:
0.0.0 , < v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-B11101-000101 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-B11001-000101 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-C11101-000101 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-C11001-000101 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-A12011-000101 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-A11001-000201 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG500Mk2-A21101-000101 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG602W |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG602L |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG603W Mk2 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG603L Mk2 |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG802W |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG804W |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG802W_i7_512GB_DinRail |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG802W_i7_512GB_w/o DinRail |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
|
| Welotec | EG804W Pro |
Affected:
0.0.0 , < <v1.7.7
(semver)
Affected: v1.8.0 , < v1.8.2 (semver) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-41702",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-26T19:37:50.695357Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-26T19:39:00.393Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "EG400Mk2-D11001-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG400Mk2-D11101-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG503W",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG503L",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG503W_4GB",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG503L_4GB",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG503L-G",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-A11101-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-A11001-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "v1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-B11101-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-B11001-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-C11101-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-C11001-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-A12011-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-A11001-000201",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG500Mk2-A21101-000101",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG602W",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG602L",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG603W Mk2",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG603L Mk2",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG802W",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG804W",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG802W_i7_512GB_DinRail",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG802W_i7_512GB_w/o DinRail",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EG804W Pro",
"vendor": "Welotec",
"versions": [
{
"lessThan": "\u003cv1.7.7",
"status": "affected",
"version": "0.0.0",
"versionType": "semver"
},
{
"lessThan": "v1.8.2",
"status": "affected",
"version": "v1.8.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.\u003cbr\u003e"
}
],
"value": "The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "CWE-321 Use of Hard-coded Cryptographic Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-26T06:10:57.464Z",
"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"shortName": "CERTVDE"
},
"references": [
{
"url": "https://certvde.com/de/advisories/VDE-2025-076"
}
],
"source": {
"advisory": "VDE-2025-076",
"defect": [
"CERT@VDE#641843"
],
"discovery": "UNKNOWN"
},
"title": "egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2025-41702",
"datePublished": "2025-08-26T06:10:57.464Z",
"dateReserved": "2025-04-16T11:17:48.310Z",
"dateUpdated": "2025-08-26T19:39:00.393Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}