Improper input validation in TP-Link TL-WRN841N
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The web interface in TP-Link TL-WRN841N 0.9.1 4.16 v0348.0 is vulnerable to a denial of service when an unauthenticated LAN user sends a crafted HTTP header containing an unexpected Cookie field.
Why it matters now
EPSS 0.00592 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TP-Link | TP-Link TL-WRN841N | Firmware versions 0.9.1 4.16 v0348.0 and below | — | No fix listed | CNA |
- TP-Link TL-WRN841N VendorTP-Link Affected Firmware versions 0.9.1 4.16 v0348.0 and below Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15701
- 2026-10-03 Alias added: GHSA-7xx8-q94h-j3c8
References
More TP-Link Tl-wrn841n Firmware vulnerabilities
- TI-2018-11190 Cross-site request forgery in TP-Link TL-WRN841N CVSS 3.0HIGH 8.8
- TI-2018-11188 Improper input validation in TP-Link TL-WRN841N CVSS 3.0MEDIUM 6.5
Sources
- CVE-2018-15701 · CVE Program
- CVE-2018-15701 · NVD
- FIRST EPSS
- GHSA-7xx8-q94h-j3c8 · GitHub Advisory Database · CC BY 4.0
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