CVE-2025-25897: tl-wr841nd Memory Corruption — Exploit

Description

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the 'ip' parameter at /userRpm/WanStaticIpV6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
tp-link	tl-wr841nd_firmware	All
tp-link	tl-wr841nd	All

References

Exploits

https://github.com/2664521593/mycve/blob/main/TP-Link/BOF_in_TP-Link_TL-WR841ND-V11_3.pdf

Frequently Asked Questions

What is CVE-2025-25897? +

A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the 'ip' parameter at /userRpm/WanStaticIpV6CfgRpm.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 7.5 (HIGH).

How severe is CVE-2025-25897? +

CVE-2025-25897 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-25897? +

CVE-2025-25897 affects products from tp-link, specifically: tl-wr841nd, tl-wr841nd_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-25897? +

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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