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.
Conclusion & alert: CVE-2014-9021 is rated High Exploit Risk (60.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.85%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.60% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.26% | 1.85% | +1.60% |
| 2 | 2025-04-05 | 0.36% | 0.26% | -0.10% |
| 3 | 2025-03-17 | — | 0.36% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |