CRLF Injection Vulnerability in ZTE MF971R Product
CVE-2021-21743

4.3MEDIUM

Key Information:

Vendor

Zte

Status
Mf971r
Vendor
CVE Published:
20 October 2021

What is CVE-2021-21743?

The ZTE MF971R product is susceptible to a CRLF injection vulnerability that allows attackers to manipulate HTTP response headers. By crafting a malicious HTTP request, an attacker could exploit this vulnerability to alter server behavior or redirect users unwittingly. This security flaw poses a significant risk to the integrity and confidentiality of data transmitted through affected devices.

Affected Version(s)

MF971R BD_ZTE_MF971RV1.0.0B05, BD_PLKPLMF971R1V1.0.0B06, BD_MF971R2V1.0.0B03, BD_ZTE_MF971RS2V1.0.0B03, BD_ZTE_MF971RSV1.0.0B05

References

https://support.zte.com.cn/support/news/LoopholeInfoDetai...
x_refsource_MISC

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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