Vulnerability · Published Mar 29, 2021 · Assigned by zte
CVE-2021-21727
High 7.5
In plain English
A high-severity security flaw in <ZXHN F623>. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 26.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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>
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | <ZXHN F623> | <ZXHN Z500 V1.0.0.2B1.1000 & ZXHN F670L V1.1.10P1N2E> |