CVE-2026-3871EPSS p6.4%

CVE-2026-3871CVE-2026-3871

Description

A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS0.17% probability of exploitation · percentile 6.4% · 2026-06-19T12:03:05Z
Last modified2026-06-02

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2026-3870
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CVE-2025-7673
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CVE-2025-13942
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Zyxel Multiple Firewalls Buffer Overflow Vulnerability
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CVE-2026-5004
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CVE-2026-7256
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.