Is CVE-2014-9021 being actively exploited?

CVE-2014-9021 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-9021?

CVE-2014-9021 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2014-9021

MEDIUM · CVSS 4.3EPSS 1.9%EU EUVD

Multiple cross-site scripting (XSS) vulnerabilities in ZTE ZXDSL 831 allow remote attackers to inject arbitrary web script or HTML via the (1) tr69cAcsURL, (2) tr69cAcsUser, (3) tr69cAcsPwd, (4) tr69cConnReqPwd, or (5) tr69cDebugEnable parameter to the TR-069 client page (tr69cfg.cgi); the (6) timezone parameter to the Time and date page (sntpcfg.sntp); or the (7) hostname parameter in a save action to the Quick Stats page (psilan.cgi). NOTE: this issue was SPLIT from CVE-2014-9020 per ADT1 due to different affected products and codebases.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 1.9% (79th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-8849)
Published: November 20, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-8849 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

zteusa / zxdsl 831

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain