CVE-2025-9014A Null Pointer Dereference vulnerability exists in the referer header check of the web portal of TP-Link TL-WR841N v14, caused by improper input validation.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A Null Pointer Dereference vulnerability exists in the referer header check of the web portal of TP-Link TL-WR841N v14, caused by improper input validation. A remote, unauthenticated attacker can exploit this flaw and cause Denial of Service on the web portal service.This issue affects TL-WR841N v14: before 250908.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-20, CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tp-link tl-wr841n_firmware tp-link:tl-wr841n_firmware | before 250908 | NVD |
References
- https://www.tp-link.com/en/support/download/tl-wr841n/#Firmwareproduct
- https://www.tp-link.com/jp/support/download/tl-wr841n/#Firmwareproduct
- https://www.tp-link.com/us/support/download/tl-wr841n/#Firmwareproduct
- https://www.tp-link.com/us/support/faq/4894/patch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.