There is an access control vulnerability in some ZTE PON OLT products. Due to improper access control settings, remote attackers could use the vulnerability to log in to the device and execute any operation.
{"cnvd": [{"lastseen": "2022-12-09T17:22:41", "description": "The ZTE ZXA10 C3XX is a series of optical access aggregation devices with EPON/GPON functions from ZTE Corporation (ZTE) in China.The ZTE ZXA10 C3XX 2.1.0 and later, and versions prior to 2.1.0xgp002.4 are vulnerable to an access control error, which originates from improper access control settings, and an attacker can use the vulnerability to log into the device and perform any operation.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-11-24T00:00:00", "type": "cnvd", "title": "ZTE ZXA10 C3XX Access Control Error Vulnerability", "bulletinFamily": "cnvd", "cvss2": {}, "cvelist": ["CVE-2022-39070"], "modified": "2022-12-09T00:00:00", "id": "CNVD-2022-86323", "href": "https://www.cnvd.org.cn/flaw/show/CNVD-2022-86323", "cvss": {"score": 0.0, "vector": "NONE"}}]}