How severe is CVE-2014-7277?

CVE-2014-7277 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-7277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-7277?

CVE-2014-7277 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-2014-7277?

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

When was CVE-2014-7277 published?

CVE-2014-7277 was published on 2014-10-04 and last updated on 2026-06-17.

CVE-2014-7277

CVE-2014-7277 is a medium-severity vulnerability in Zyxel Sbg3300-n Firmware with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zyxel Sbg3300-n Firmware
Published: 2014-10-04
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified "welcome message" form data that is improperly handled during rendering of the loginMessage list item, a different vulnerability than CVE-2014-7278.

Frequently asked questions

What is CVE-2014-7277?: Cross-site scripting (XSS) vulnerability in the login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified "welcome message" form data that is improperly handled during rendering of the loginMessage list item, a different vulnerability than CVE-2014-7278.
How severe is CVE-2014-7277?: CVE-2014-7277 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-7277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-7277?: CVE-2014-7277 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-2014-7277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-7277 published?: CVE-2014-7277 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:-:*:*:*:*:*:*:*

More vulnerabilities in Zyxel Sbg3300-n Firmware

CVE-2014-7278 — Medium (CVSS 5.0): The login page on the ZyXEL SBG-3300 Security Gateway with firmware 1.00(AADY.4)C0 and earlier allows remote attackers…

All CVEs affecting Zyxel Sbg3300-n Firmware →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →