CVE-2025-25901: TP-Link Tl-WR841ND Firmware

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11, triggered by the dnsserver1 and dnsserver2 parameters at /userRpm/WanSlaacCfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

Affected products

• TP-Link Tl-WR841ND Firmware: affected versions not specified

Published 2025-02-13. Last modified 2026-06-17.