D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the IPv6_PppoePassword parameter in the SetIPv6PppoeSettings module.
Conclusion & alert: CVE-2025-25741 is rated Exploit Available (51.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.21%). 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 | 2026-04-01 | 0.29% | 0.21% | -0.08% |
| 2 | 2025-11-29 | 0.16% | 0.29% | +0.14% |
| 3 | 2025-10-18 | — | 0.16% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.8 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dlink | dir-853_firmware | 1.20b07 | cpe:2.3:o:dlink:dir-853_firmware:1.20b07:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://dear-sunshine-ba5.notion.site/D-Link-DIR-853-7-1812386a664480b7ac54d281afa629f5 | Exploit Third Party Advisory |