{
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    "cveMetadata": {
        "cveId": "CVE-2026-100293",
        "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "state": "PUBLISHED",
        "assignerShortName": "icscert",
        "dateReserved": "2026-09-25T17:42:35.995Z",
        "datePublished": "2026-09-29T19:37:13.462Z",
        "dateUpdated": "2026-09-29T21:01:58.982Z"
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            },
            "title": "Improper verification of cryptographic signature in Anjvision YSSD-RTMP-H5",
            "problemTypes": [
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-347",
                            "description": "CWE-347 Improper verification of cryptographic signature",
                            "type": "CWE"
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            "affected": [
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                    "vendor": "Anjvision",
                    "product": "YSSD-RTMP-H5",
                    "versions": [
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                            "status": "affected",
                            "version": "Version 3.3.2.4 build 2024-12-26"
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "In Anjvision YSSD‑RTMP‑H5 firmware version 3.3.2.4, both the local and cloud update mechanisms apply new firmware without any cryptographic verification, relying only on basic hashing. This design allows an attacker who can reach the update routine to introduce untrusted firmware images that the device will accept as valid.",
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                        }
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                }
            ],
            "references": [
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-05",
                    "tags": [
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                        "attackVector": "NETWORK",
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                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
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                        "baseScore": 8.8,
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                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.7,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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            "credits": [
                {
                    "lang": "en",
                    "value": "Andrew Lee reported these vulnerabilities to CISA.",
                    "type": "finder"
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            "source": {
                "discovery": "UNKNOWN"
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        "adp": [
            {
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-100293",
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                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
                                    },
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                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-09-29T20:56:45.855256Z"
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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