High severity7.5NVD Advisory· Published Mar 26, 2026· Updated Mar 31, 2026
CVE-2026-3622
CVE-2026-3622
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).
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- www.tp-link.com/us/support/faq/5033/nvdVendor Advisory
- www.tp-link.com/en/support/download/tl-wr841n/v14/nvdProduct
- www.tp-link.com/us/support/download/tl-wr841n/v14/nvdProduct
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