What is CVE-2021-21726?

CVE-2021-21726 is a vulnerability in ZTE products that allows an attacker with high privileges to cause a process exception by repeatedly inputting illegal parameters.

What ZTE products are affected by CVE-2021-21726?

ZTE products affected by CVE-2021-21726 include ZXONE 9700, ZXONE 8700, and ZXONE 19700.

What is the severity of CVE-2021-21726?

CVE-2021-21726 has a severity rating of low with a value of 2.3.

How can an attacker exploit CVE-2021-21726?

An attacker with high privileges can exploit CVE-2021-21726 by repeatedly inputting illegal parameters in the diagnostic function interface of the affected ZTE products.

Is there a fix available for CVE-2021-21726?

ZTE has released a security advisory detailing the vulnerability and recommending a software upgrade to address CVE-2021-21726.

Vulnerability/
CVE-2021-21726

low

2.3

CWE

12/3/2021

3/8/2024

CVE-2021-21726: Input Validation

First published: Fri Mar 12 2021(Updated: )

Some ZTE products have an input verification vulnerability in the diagnostic function interface. Due to insufficient verification of some parameters input by users, an attacker with high privileges can cause process exception by repeatedly inputting illegal parameters. This affects:<ZXONE 9700 , ZXONE 8700, ZXONE 19700><V1.40.021.021CP049, V1.0P02B219_@NCPM-RELEASE_2.40R1-20200914.set>

Credit: psirt@zte.com.cn

Affected Software	Affected Version	How to fix
Zte Zxone 9700 Firmware	=1.40.021.021cp049
Zte Zxone 9700
Zte Zxone 8700 Firmware	=1.40.021.021cp049
Zte Zxone 8700
Zte Zxone 19700 Firmware	=1.0p02b219_\@ncpm-release_2.40r1-20200914.set
Zte Zxone 19700

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Reference Links

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014664

Frequently Asked Questions

What is CVE-2021-21726?
CVE-2021-21726 is a vulnerability in ZTE products that allows an attacker with high privileges to cause a process exception by repeatedly inputting illegal parameters.
What ZTE products are affected by CVE-2021-21726?
ZTE products affected by CVE-2021-21726 include ZXONE 9700, ZXONE 8700, and ZXONE 19700.
What is the severity of CVE-2021-21726?
CVE-2021-21726 has a severity rating of low with a value of 2.3.
How can an attacker exploit CVE-2021-21726?
An attacker with high privileges can exploit CVE-2021-21726 by repeatedly inputting illegal parameters in the diagnostic function interface of the affected ZTE products.
Is there a fix available for CVE-2021-21726?
ZTE has released a security advisory detailing the vulnerability and recommending a software upgrade to address CVE-2021-21726.

collector/nvd-index
agent/type
collector/mitre-cve
source/MITRE
agent/author
agent/weakness
agent/last-modified-date
agent/references
agent/tags
agent/severity
agent/softwarecombine
agent/description
agent/event
agent/first-publish-date
vendor/zte
canonical/zte zxone 9700 firmware
version/zte zxone 9700 firmware/1.40.021.021cp049
canonical/zte zxone 9700
canonical/zte zxone 8700 firmware
version/zte zxone 8700 firmware/1.40.021.021cp049
canonical/zte zxone 8700
canonical/zte zxone 19700 firmware
version/zte zxone 19700 firmware/1.0p02b219_\@ncpm-release_2.40r1-20200914.set
canonical/zte zxone 19700

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