Path traversal in several ZTE Home Gateway Products
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-23135 |
| CWE-ID | CWE-22 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ZXHN F477 Hardware solutions / Routers for home users ZXHN F677 Hardware solutions / Routers for home users |
| Vendor | ZTE |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Path traversal
EUVDB-ID: #VU63188
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-23135
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and modify the FTP access path, obtain sensitive information, and perform a denial of service attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsZXHN F477: 9.0.0P1N28
ZXHN F677: 9.0.0P1N28
External linkshttp://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1023444
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
