CVE-2021-21725 Path traversal in ZXHN H196Q
An attacker with higher authority can access files in other directories on ZTE ZXHN H196Q routers, leading to information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21725?
CVE-2021-21725 is a medium-severity path traversal vulnerability in ZXHN H196Q, published on 5 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A ZTE product has an information leak vulnerability. An attacker with higher authority can go beyond their authority to access files in other directories by performing specific operations, resulting in information leak. This affects: ZXHN H196Q V9.1.0C2.
Weakness: CWE-863
Which versions are affected by CVE-2021-21725?
It affects 1 product.
Products include Zte Zxhn H196q Firmware.
How do I fix CVE-2021-21725?
No fix has been published for CVE-2021-21725 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-2021-21725 being exploited?
There is no known exploitation of CVE-2021-21725 in the wild and no public exploit code.
Sources
Also known as GHSA-ww8w-98rf-98pg.