TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the url parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
Conclusion & alert: CVE-2025-44843 is rated High Exploit Risk (74.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.74%, 93th 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 | 2026-04-14 | 7.77% | 8.74% | +0.97% |
| 2 | 2026-02-25 | 3.62% | 7.77% | +4.15% |
| 3 | 2026-02-15 | — | 3.62% | — |
Full EPSS history (24 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
3.9 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| totolink | ca600-poe_firmware | 5.3c.6665_b20180820* | cpe:2.3:o:totolink:ca600-poe_firmware:5.3c.6665_b20180820*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/Summermu/VulnForIoT/tree/main/Totolink_CA600-PoE/CloudSrvUserdataVersionCheck_url/readme.md | Exploit Third Party Advisory |
| https://www.totolink.net | Product |