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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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • TP-Link/Tl Wr841n2 versions
    cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*range: <0.9.1_4.19
    • (no CPE)range: < 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)

Patches

Vulnerability mechanics

References

3

News mentions

0

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