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CVE-2019-3426

26
FAUCET Score

CVE-2019-3426 describes an input validation vulnerability affecting ZTE ZXUPN-9000E products, specifically version 9000EV5.0R1B12 and earlier. This high-severity vulnerability (CVSS 8.8) allows an unauthenticated attacker to perform unauthorized operations over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While the vulnerability is significant, there is currently no evidence of active exploitation, publicly available exploit code, or notable community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 9000ev5.0r1b12CPE matchmatch criteria
cpe:2.3:o:zte:zxupn-9000e_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0102 is in the 60th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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