CVE-2022-23135 Path traversal in ZXHN F677, ZXHN F477
An attacker with specific permissions can exploit a directory traversal flaw in ZTE home gateways to access and modify system files, leading to information leaks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-23135?
CVE-2022-23135 is a medium-severity path traversal vulnerability in ZXHN F677, ZXHN F477, published on 24 Feb 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
There is a directory traversal vulnerability in some home gateway products of ZTE. Due to the lack of verification of user modified destination path, an attacker with specific permissions could modify the FTP access path to access and modify the system path contents without authorization, which will cause information leak and affect device operation.
Weakness: CWE-22
Which versions are affected by CVE-2022-23135?
It affects 2 products.
Products include Zte Zxhn F477 Firmware, Zte Zxhn F677 Firmware.
How do I fix CVE-2022-23135?
No fix has been published for CVE-2022-23135 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-23135 being exploited?
There is no known exploitation of CVE-2022-23135 in the wild and no public exploit code.
Sources
Also known as GHSA-jfrp-684p-p4j4.