CVE-2026-3622
Denial-of-Service Vulnerability in UPnP Component of TP Link's TL-WR841N
- State
- Published
- Severity
- 7.1 High
- Published
- Mar 26, 2026
- Updated
- Mar 27, 2026
- Reserved
- Mar 6, 2026
Description
The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service.
Successful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition. This vulnerability affects TL-WR841N v14 < EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) and < US_0.9.1.4.19 Build 260312 Rel. 49108n (V14_0304).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | TPLink |
Weaknesses
- CWE-125 Out-of-bounds read
Affected Products
| Product | Versions |
|---|---|
TL-WR841N v14TP-Link Systems Inc. |
|
References
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