How severe is CVE-2014-0353?

CVE-2014-0353 has a CVSS 2.0 base score of 6.1, rated medium severity.

Is CVE-2014-0353 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0353?

CVE-2014-0353 primarily affects Zyxel N300 Netusb Nbg-419n Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0353?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0353 published?

CVE-2014-0353 was published on 2014-04-15 and last updated on 2026-06-17.

CVE-2014-0353

CVE-2014-0353 is a medium-severity vulnerability in Zyxel N300 Netusb Nbg-419n Firmware with a CVSS 2.0 base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 2.0 base score 6.1)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Zyxel N300 Netusb Nbg-419n Firmware
Published: 2014-04-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2014-0353?: CVE-2014-0353 has a CVSS 2.0 base score of 6.1, rated medium severity.
Is CVE-2014-0353 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0353?: CVE-2014-0353 primarily affects Zyxel N300 Netusb Nbg-419n Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-0353?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-0353 published?: CVE-2014-0353 was published on 2014-04-15 and last updated on 2026-06-17.

References

http://www.kb.cert.org/vuls/id/939260

Affected products (2)

cpe:2.3:o:zyxel:n300_netusb_nbg-419n_firmware:1.00\(bfq_6\)c0:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:n300_netusb_nbg-419n:-:*:*:*:*:*:*:*

More vulnerabilities in Zyxel N300 Netusb Nbg-419n Firmware

CVE-2014-0356 — High (CVSS 7.9): The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to execute arbitrary…
CVE-2014-0355 — High (CVSS 7.9): Multiple stack-based buffer overflows on the ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0…
CVE-2014-0354 — High (CVSS 7.8): The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 has a hardcoded password of qweasdzxc for an…

All CVEs affecting Zyxel N300 Netusb Nbg-419n Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →