Tl-Wr840N Firmware
by Tp-Link
Review your setup
Tl-Wr840N Firmware has some exploitation signals but is generally manageable with regular updates.
What to do
- Keep this software updated
- Review your configuration for unnecessary exposure
- Check for known-vulnerable components or plugins
What Attackers Target
Vulnerabilities with high exploit probability
35.0%
Confirmed actively exploited (CISA)
0.0%
Public exploit code available
0.0%
Based on 20 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2021-41653 | 9.8 | 91.9% | — |
| CVE-2022-25061 | 9.8 | 86.0% | — |
| CVE-2022-25060 | 9.8 | 74.7% | — |
| CVE-2022-25064 | 9.8 | 63.1% | — |
| CVE-2022-25062 | 7.5 | 29.0% | — |
| CVE-2020-36178 | 9.8 | 13.6% | — |
| CVE-2018-15172 | 7.5 | 10.1% | — |
| CVE-2019-15060 | 8.8 | 3.0% | — |
| CVE-2018-11714 | 9.8 | 3.0% | — |
| CVE-2018-15840 | 7.5 | 0.7% | — |
| CVE-2023-39471 | 8.8 | 0.6% | — |
| CVE-2026-3227 | 6.8 | 0.5% | — |
| CVE-2022-26642 | 7.2 | 0.5% | — |
| CVE-2022-26639 | 7.2 | 0.5% | — |
| CVE-2022-26640 | 7.2 | 0.5% | — |
| CVE-2022-26641 | 7.2 | 0.5% | — |
| CVE-2019-12195 | 4.8 | 0.4% | — |
| CVE-2021-46122 | 7.2 | 0.4% | — |
| CVE-2021-29280 | 6.4 | 0.1% | — |
| CVE-2022-29402 | 6.8 | 0.1% | — |
36
/ 100
moderate-risk
Active Threat
36/50 · High
Exploit Availability
0/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.