CVE-2025-25899

Description

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the 'gw' parameter at /userRpm/WanDynamicIpV6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

CVSS v3.1 Score

3.5

LOW

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

Weakness Type (CWE)

CWE-404 CWE-404

Affected Products

Vendor	Product	Versions
tp-link	tl-wr841nd_v11_firmware	All
tp-link	tl-wr841nd_v11	All

References

Other References

https://github.com/2664521593/mycve/blob/main/TP-Link/BOF_in_TP-Link_TL-WR841ND-V11_2.pdf

Frequently Asked Questions

What is CVE-2025-25899? +

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the 'gw' parameter at /userRpm/WanDynamicIpV6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet. It has a CVSS v3.1 base score of 3.5 (LOW).

How severe is CVE-2025-25899? +

CVE-2025-25899 has a CVSS v3.1 score of 3.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-25899? +

CVE-2025-25899 affects products from tp-link, specifically: tl-wr841nd_v11, tl-wr841nd_v11_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-25899? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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