CVE-2026-3871

MediumCVSS 6.5/10Last modified Jul 22, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-120

Affected software

No affected versions have been published.

Timeline

Published: Jun 2, 2026
Last modified: Jul 22, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-387107.2TR1200 v2.4.15 and TR3000 v2.4.21 were discovered to contain a command injection vulnerability in the system.setclock interface. This vulner CVE-2026-387119.8TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, and WR6500 v2 CVE-2026-387139.8TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, and WR6500 v2 CVE-2026-387149.8InHand Networks IR912 V1.0.0.r20042 and IR915 V1.0.0.r20042 (including earlier versions) were discovered to contain a command injection vuln CVE-2026-387159.8InHand Networks IR912 V1.0.0.r20042 and IR915 V1.0.0.r20042 (including earlier versions) were discovered to contain a command injection vuln CVE-2026-387169.8InHand Networks IR912 V1.0.0.r20042 and IR915 V1.0.0.r20042 (including earlier versions) were discovered to contain a command injection vuln CVE-2026-387179.8InHand Networks IR912 V1.0.0.r20042 and IR915 V1.0.0.r20042 (including earlier versions) were discovered to contain a command injection vuln CVE-2026-387187.5InHand Networks IR912 V1.0.0.r20042 and IR915 V1.0.0.r20042 (including earlier versions) were discovered to contain a buffer overflow vulner CVE-2026-387196.2OpENer v2.3-558-g1e99582 contains an out-of-bounds read vulnerability in the Common Packet Format (CPF) parser, specifically in CreateCommon CVE-2026-38727.3A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in CVE-2026-387255.4xipblog module v2.0.1 and before for PrestaShop allows unauthenticated remote attackers to inject arbitrary JavaScript via the name and cont CVE-2026-387287.5An issue in Nodemailer smtp_server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream._write, lib/smtp