web_shell_cmd.gch on ZTE F460 and F660 cable modems allows remote attackers to obtain administrative access via sendcmd requests, as demonstrated by using "set TelnetCfg" commands to enable a TELNET service with specified credentials.
Conclusion & alert: CVE-2014-2321 is rated High Exploit Risk (89.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 92.01%, 100th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 | 2026-04-12 | 92.27% | 92.01% | -0.26% |
| 2 | 2026-04-10 | 92.50% | 92.27% | -0.23% |
| 3 | 2025-10-28 | — | 92.50% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
: Per: http://www.kb.cert.org/vuls/id/600724 " It has been reported that the web_shell_cmd.gch script is sometimes accessible from the WAN interface making exploitation of this backdoor from the Internet possible in certain cases. "