CVE-2020-6866

CVE-2020-6866 is a medium-severity vulnerability in Zte Zxctn 6500 Firmware with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

A ZTE product is impacted by a resource management error vulnerability. An attacker could exploit this vulnerability to cause a denial of service by issuing a specific command. This affects: ZXCTN 6500 version V2.10.00R3B87.

Frequently asked questions

What is CVE-2020-6866?
A ZTE product is impacted by a resource management error vulnerability. An attacker could exploit this vulnerability to cause a denial of service by issuing a specific command. This affects: ZXCTN 6500 version V2.10.00R3B87.
How severe is CVE-2020-6866?
CVE-2020-6866 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-6866 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6866?
CVE-2020-6866 affects Zte Zxctn 6500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6866?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-6866 published?
CVE-2020-6866 was published on 2020-04-30 and last updated on 2026-06-17.

References

Affected products (1)