Path traversal in Huawei HiRouter-CD20, WS5200
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Huawei | HiRouter-CD20, WS5200 | HiRouter-CD20 The versions before HiRouter-CD20-10 1.9.6, WS5200 The versions before WS5200-10 1.9.6 | — | No fix listed | CNA |
- HiRouter-CD20, WS5200 VendorHuawei Affected HiRouter-CD20 The versions before HiRouter-CD20-10 1.9.6, WS5200 The versions before WS5200-10 1.9.6 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:hirouter-cd20_firmware:*:*:*:*:*:*:*:* | before hirouter-cd20-10_1.9.6 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:hirouter-cd20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:ws5200_firmware:*:*:*:*:*:*:*:* | before ws5200-10_1.9.6 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:ws5200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:hirouter-cd20_firmware:*:*:*:*:*:*:*:* Versions before hirouter-cd20-10_1.9.6 Vulnerable ·Huawei
- cpe:2.3:h:huawei:hirouter-cd20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:ws5200_firmware:*:*:*:*:*:*:*:* Versions before ws5200-10_1.9.6 Vulnerable ·Huawei
- cpe:2.3:h:huawei:ws5200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-7933
- 2026-10-03 Alias added: GHSA-4xmf-8wjf-4hrh
References
More Huawei Hirouter-cd20 Firmware vulnerabilities
- TI-2018-05743 In Huawei HiRouter-CD20-10 with the versions before 1.9.6 and WS5200-10 with the versions… CVSS 3.0HIGH 7.8
Sources
- CVE-2018-7933 · CVE Program
- CVE-2018-7933 · NVD
- FIRST EPSS
- GHSA-4xmf-8wjf-4hrh · GitHub Advisory Database · CC BY 4.0
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