Hitron Technologies CODA-5310’s Telnet function transfers sensitive data in plaintext. An unauthenticated remote attacker can exploit this vulnerability to access credentials of normal users and administrator.
Conclusion & alert: CVE-2023-30602 is rated Moderate Risk (40.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.11%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-11-21 | 0.15% | 0.11% | -0.04% |
| 2 | 2025-11-18 | 0.11% | 0.15% | +0.04% |
| 3 | 2025-04-15 | — | 0.11% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hitrontech | coda-5310_firmware | 7.2.4.7.1b3 | cpe:2.3:o:hitrontech:coda-5310_firmware:7.2.4.7.1b3:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-7084-74e83-1.html | Third Party Advisory |