CVE-2025-25901 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr841Nd Firmware	-
Tp-Link	Tl-Wr841Nd	v11

Related Weaknesses (CWE)

CWE-787

References

https://github.com/2664521593/mycve/blob/main/TP-Link/BOF_in_TP-Link_TL-WR841ND-ExploitThird Party Advisory
https://github.com/2664521593/mycve/blob/main/TP-Link/BOF_in_TP-Link_TL-WR841ND-ExploitThird Party Advisory

FAQ

What is CVE-2025-25901?

CVE-2025-25901 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 c...

How severe is CVE-2025-25901?

CVE-2025-25901 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-25901?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr841Nd Firmware, Tp-Link Tl-Wr841Nd.