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CVE-2020-6866

19
FAUCET Score

CVE-2020-6866 describes a resource management error in ZTE ZXCTN 6500 version V2.10.00R3B87, allowing a remote attacker with high privileges to cause a denial of service by issuing a specific command. This vulnerability has a CVSS score of 4.9 (Medium), indicating a low attack complexity and no confidentiality or integrity impact, but a high availability impact. There is currently no public exploit code available, nor is there evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.10.00r3b87CPE matchmatch criteria
cpe:2.3:o:zte:zxctn_6500_firmware:2.10.00r3b87:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 60th percentile among its peer group of 3,566 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.zte.com.cn / support/news/LoopholeInfoDetail.aspx
Vendor Advisory