TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.
Conclusion & alert: CVE-2022-25064 is rated High Exploit Risk (88.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 63.10%, 98th 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 | 2025-11-23 | 63.51% | 63.10% | -0.40% |
| 2 | 2025-11-21 | 50.79% | 63.51% | +12.71% |
| 3 | 2025-11-18 | — | 50.79% | — |
Full EPSS history (30 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| tp-link | tl-wr840n_firmware | 6.20_180709 | cpe:2.3:o:tp-link:tl-wr840n_firmware:6.20_180709:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://router.com | Not Applicable URL Repurposed |
| http://tp-link.com | Product |
| https://east-trowel-102.notion.site/CVE-2021-XXXX-rce-via-crafted-payload-in-an-ipv6-address-input-field-hidden-EN-98e24b6f841043fba17ec4627c34f5d1 | Exploit Third Party Advisory |