CVE-2026-3622
High · 7.5CVSS
7.5
EPSS
0.7%
Published
Mar 26, 2026
CISA due date
—
The record
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).
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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