CVE-2021-21735

Name: CVE-2021-21735
Creator: NVD / NIST
Published: 2021-06-10T12:15:08.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2021-21735 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A ZTE product has an information leak vulnerability. Due to improper permission settings, an attacker with ordinary user permissions could exploit this vulnerability to obtain some sensitive user information through the wizard page without authentication. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

A ZTE product has an information leak vulnerability. Due to improper permission settings, an attacker with ordinary user permissions could exploit this vulnerability to obtain some sensitive user information through the wizard page without authentication. This affects ZXHN H168N all versions up to V3.5.0_EG1T4_TE.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.92%

55.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-281

Affected Software

Vendor	Product	Versions
Zte	Zxhn H168n Firmware	<= 3.5.0_eg1t4_te

References

Timeline

Published: Jun 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21735?

How severe is CVE-2021-21735?

CVE-2021-21735 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21735?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21735?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST