CVE-2014-0353 — The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to bypass authentication by using %2F sequences in place of / (slash) characters

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MEDIUM

The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to bypass authentication by using %2F sequences in place of / (slash) characters

Published Apr 15, 2014

6.1

MEDIUM

CVSS 2.0

EPSS 0.86%

Description

The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to bypass authentication by using %2F sequences in place of / (slash) characters.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.86% 0.00864

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00864

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.86% (0.00864)	57.12th	v5 (v2026.06.15)
Jun 15, 2026	0.86% (0.00857)	53.49th	v5 (v2026.06.15)
Mar 17, 2025	0.18% (0.00180)	37.27th	v4 (v2025.03.14)
Dec 12, 2024	0.28% (0.00280)	69.30th	v3 (v2023.03.01)
Feb 26, 2024	0.32% (0.00316)	69.66th	v3 (v2023.03.01)
Mar 7, 2023	0.24% (0.00238)	60.01th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-287

Improper Authentication

References (1)

http://www.kb.cert.org/vuls/id/939260
third-party-advisoryx_refsource_CERT-VNUS Government Resource

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/939260		third-party-advisoryx_refsource_CERT-VNUS Government Resource

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner certcc

Published Apr 15, 2014

Updated Aug 6, 2024

Reserved Dec 5, 2013

Link CVE-2014-0353

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2014-0353

Red Hat

Severity n/a

Public date n/a

Links CVE-2014-0353