CVE-2021-21727

Description

A ZTE product has a DoS vulnerability. A remote attacker can amplify traffic by sending carefully constructed IPv6 packets to the affected devices, which eventually leads to device denial of service. This affects:<ZXHN F623><All versions up to V6.0.0P3T33>

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.61%

Vendor Advisory com.cn

Affected: n/a

References

Link	Tags
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014744	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21727?: CVE-2021-21727 has been scored as a high severity vulnerability.
How to fix CVE-2021-21727?: To fix CVE-2021-21727, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21727 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-21727 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21727?: CVE-2021-21727 affects n/a .

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