Vulnerabilites related to Welotec - EG500Mk2-A11101-000101
CVE-2025-41702 (GCVE-0-2025-41702)
Vulnerability from cvelistv5
Published
2025-08-26 06:10
Modified
2025-08-26 19:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-321 - Use of Hard-coded Cryptographic Key
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.
References
Impacted products
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▼ | Welotec | EG400Mk2-D11001-000101 |
Version: 0.0.0 ≤ Version: v1.8.0 ≤ |
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"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": 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"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": 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"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" }