How severe is CVE-2014-7278?

CVE-2014-7278 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-7278 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-7278?

CVE-2014-7278 primarily affects Zyxel Sbg3300-n 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-2014-7278?

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

When was CVE-2014-7278 published?

CVE-2014-7278 was published on 2014-10-04 and last updated on 2026-06-17.

CVE-2014-7278

CVE-2014-7278 is a medium-severity vulnerability in Zyxel Sbg3300-n Firmware with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Zyxel Sbg3300-n Firmware
Published: 2014-10-04
Last modified: 2026-06-17

Description

The login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to cause a denial of service (persistent web-interface outage) via JavaScript code within unspecified "welcome message" form data that is improperly handled during use for the loginMsg variable's value, a different vulnerability than CVE-2014-7277.

Frequently asked questions

What is CVE-2014-7278?: The login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to cause a denial of service (persistent web-interface outage) via JavaScript code within unspecified "welcome message" form data that is improperly handled during use for the loginMsg variable's value, a different vulnerability than CVE-2014-7277.
How severe is CVE-2014-7278?: CVE-2014-7278 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-7278 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-7278?: CVE-2014-7278 primarily affects Zyxel Sbg3300-n 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-2014-7278?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-7278 published?: CVE-2014-7278 was published on 2014-10-04 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:zyxel:sbg3300-n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:sbg3300-n:-:*:*:*:*:*:*:*

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