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CVE-2025-25901: 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 t...
CVE-2025-25901 · published 1 year ago
Summary
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.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| tp-link | tl-wr841nd_firmware |
All versions
cpe:2.3:o:tp-link:tl-wr841nd_firmware:-:*:*:*:*:*:*:* |
Original advisory text
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 t...
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.
References
- https://github.com/2664521593/mycve/blob/main/TP-Link/BOF_in_TP-Link_TL-WR841ND-... Exploit Third Party Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker partial control
Type
CWE-787Out-of-bounds Write
Timeline
Published13 Feb 2025
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2025-25901 · NVD
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