Path Traversal in Huawei Hirouter-Cd20
CVE-2018-7933
Huawei home gateway products HiRouter-CD20 and WS5200 with the versions before HiRouter-CD20-10 1.9.6 and the versions before WS5200-10 1.9.6 have a path traversal vulnerability. Due to the lack of validation while these home gateway products install APK plugins, an attacker tricks a user into installing a malicious APK plugin, and plugin can overwrite arbitrary file of devices. Successful exploit may result in arbitrary code execution or privilege escalation.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.010 (60.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Huawei Hirouter-cd20
- Huawei Hirouter-cd20_firmware
- Huawei Ws5200
- Huawei Ws5200_firmware
- Huawei Technologies Co., Ltd. Hirouter-cd20, Ws5200 — versions HiRouter-CD20 The versions before HiRouter-CD20-10 1.9.6, WS5200 The versions before WS5200-10 1.9.6
Weakness classification (CWE)
References
- psirt@huawei.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7933?
- CVE-2018-7933 is a high-severity vulnerability in Huawei Hirouter-Cd20, classified under Path Traversal. CVSS score: 7.8/10. Published 2018-05-10.
- How severe is CVE-2018-7933?
- High severity. CVSS v3 base score is 7.8 out of 10.