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CVE-2021-21743 Details

Description

ZTE MF971R product has a CRLF injection vulnerability. An attacker could exploit the vulnerability to modify the HTTP response header information through a specially crafted HTTP request.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764	CVE	Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')	[email protected]

Affected Products

Product	Versions
zte mf971r firmware	v1.0.0b05 1v1.0.0b06 2v1.0.0b03 s2v1.0.0b03 sv1.0.0b05
CPE cpe:2.3:o:zte:mf971r_firmware:v1.0.0b05:::::::* cpe:2.3:o:zte:mf971r_firmware:1v1.0.0b06:::::::* cpe:2.3:o:zte:mf971r_firmware:2v1.0.0b03:::::::* cpe:2.3:o:zte:mf971r_firmware:s2v1.0.0b03:::::::* cpe:2.3:o:zte:mf971r_firmware:sv1.0.0b05:::::::* Remediation No remediation found in references.
zte mf971r	All versions
CPE cpe:2.3:h:zte:mf971r:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 25, 2021	Initial Analysis	[email protected]