TP-Link Tl-WR850N Firmware vulnerabilities

2 CVEs affecting TP-Link Tl-WR850N Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-4346, published 2026-03-26.

More from TP-Link.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-15551, published 2026-02-05. Medium severity, CVSS 5.6. EPSS: 0.4% chance of exploitation in the next 30 days. The response coming from TP-Link Archer MR200 v5.2, C20 v5 and v6, TL-WR850N v3, and TL-WR845N v4 for any request is getting executed by the JavaScript function like eval directly without any…
• CVE-2026-4346, published 2026-03-26. Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days. The vulnerability affecting TL-WR850N v3 allows cleartext storage of administrative and Wi-Fi credentials in a region of the device’s flash memory while the serial interface remains enabled and…