TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through the v14 parameter.
Conclusion & alert: CVE-2025-28025 is rated Exploit Available (54.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.12%). Core evidence: 2 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 ↗ | |
| — | 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 | 2026-06-02 | 0.32% | 0.12% | -0.20% |
| 2 | 2026-02-17 | 0.11% | 0.32% | +0.20% |
| 3 | 2025-11-27 | — | 0.11% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.3 | 3.1 | HIGH |
|
3.9 | 3.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| totolink | a830r_firmware | 4.1.2cu.5182_b20201102 | cpe:2.3:o:totolink:a830r_firmware:4.1.2cu.5182_b20201102:*:*:*:*:*:*:* |
| totolink | a950rg_firmware | 4.1.2cu.5161_b20200903 | cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5161_b20200903:*:*:*:*:*:*:* |
| totolink | a3000ru_firmware | 5.9c.5185_b20201128 | cpe:2.3:o:totolink:a3000ru_firmware:5.9c.5185_b20201128:*:*:*:*:*:*:* |
| totolink | a3100r_firmware | 4.1.2cu.5247_b20211129 | cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5247_b20211129:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://locrian-lightning-dc7.notion.site/BufferOverflow1-19e8e5e2b1a280bfbe52ec9975287f77 | Exploit Third Party Advisory |
| https://locrian-lightning-dc7.notion.site/BufferOverflow1-19e8e5e2b1a280bfbe52ec9975287f77?pvs=73 | Exploit Third Party Advisory |