How severe is CVE-2014-0355?

CVE-2014-0355 has a CVSS 2.0 base score of 7.9, rated high severity.

Is CVE-2014-0355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0355?

CVE-2014-0355 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-2014-0355?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-0355 published?

CVE-2014-0355 was published on 2014-04-15 and last updated on 2026-06-17.

CVE-2014-0355

CVE-2014-0355 is a high-severity vulnerability in Zyxel N300 Netusb Nbg-419n Firmware with a CVSS 2.0 base score of 7.9. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.9)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Zyxel N300 Netusb Nbg-419n Firmware
Published: 2014-04-15
Last modified: 2026-06-17

Description

Multiple stack-based buffer overflows on the ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allow man-in-the-middle attackers to execute arbitrary code via (1) a long temp attribute in a yweather:condition element in a forecastrss file that is processed by the checkWeather function; the (2) WeatherCity or (3) WeatherDegree variable to the detectWeather function; unspecified input to the (4) UpnpAddRunRLQoS, (5) UpnpDeleteRunRLQoS, or (6) UpnpDeletePortCheckType function; or (7) the SET COUNTRY udps command.

Frequently asked questions

What is CVE-2014-0355?: Multiple stack-based buffer overflows on the ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allow man-in-the-middle attackers to execute arbitrary code via (1) a long temp attribute in a yweather:condition element in a forecastrss file that is processed by the checkWeather function; the (2) WeatherCity or (3) WeatherDegree variable to the detectWeather function; unspecified input to the (4) UpnpAddRunRLQoS, (5) UpnpDeleteRunRLQoS, or (6) UpnpDeletePortCheckType function; or (7) the SET COUNTRY udps command.
How severe is CVE-2014-0355?: CVE-2014-0355 has a CVSS 2.0 base score of 7.9, rated high severity.
Is CVE-2014-0355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0355?: CVE-2014-0355 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-2014-0355?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-0355 published?: CVE-2014-0355 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-2014-0354 — 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…
CVE-2014-0353 — Medium (CVSS 6.1): The ZyXEL Wireless N300 NetUSB NBG-419N router with firmware 1.00(BFQ.6)C0 allows remote attackers to bypass…

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