{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-55293", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-08-12T16:15:30.237Z", "datePublished": "2025-08-18T17:24:35.254Z", "dateUpdated": "2025-08-18T17:41:25.082Z"}, "containers": {"cna": {"title": "Meshtastic allows crafting of specific NodeInfo packets that overwrite any publicKey saved in the NodeDB", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "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:L", "version": "3.1"}}], "references": [{"name": "https://github.com/meshtastic/firmware/security/advisories/GHSA-95pq-gj5v-4fg2", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/meshtastic/firmware/security/advisories/GHSA-95pq-gj5v-4fg2"}, {"name": "https://github.com/meshtastic/firmware/pull/6372", "tags": ["x_refsource_MISC"], "url": "https://github.com/meshtastic/firmware/pull/6372"}, {"name": "https://github.com/meshtastic/firmware/commit/cf7f0f9d0895602df3453a4f5cfea843f4e09744", "tags": ["x_refsource_MISC"], "url": "https://github.com/meshtastic/firmware/commit/cf7f0f9d0895602df3453a4f5cfea843f4e09744"}], "affected": [{"vendor": "meshtastic", "product": "firmware", "versions": [{"version": "< 2.6.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-08-18T17:24:35.254Z"}, "descriptions": [{"lang": "en", "value": "Meshtastic is an open source mesh networking solution. Prior to v2.6.3, an attacker can send NodeInfo with a empty publicKey first, then overwrite it with a new key. First sending a empty key bypasses 'if (p.public_key.size > 0) {', clearing the existing publicKey (and resetting the size to 0) for a known node. Then a new key bypasses 'if (info->user.public_key.size > 0) {', and this malicious key is stored in NodeDB. This vulnerability is fixed in 2.6.3."}], "source": {"advisory": "GHSA-95pq-gj5v-4fg2", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-18T17:41:12.799937Z", "id": "CVE-2025-55293", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-18T17:41:25.082Z"}}]}}

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