How severe is CVE-2025-14709?

CVE-2025-14709 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-14709 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14709?

CVE-2025-14709 affects Sgwbox N3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14709?

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

Does CVE-2025-14709 have an EU (EUVD) identifier?

Yes. CVE-2025-14709 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203344.

When was CVE-2025-14709 published?

CVE-2025-14709 was published on 2025-12-15 and last updated on 2026-06-17.

CVE-2025-14709

CVE-2025-14709 is a critical-severity vulnerability in Sgwbox N3 Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
CVSS v4: 8.9
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203344
Weakness: CWE-119
Affected product: Sgwbox N3 Firmware
Published: 2025-12-15
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Shiguangwu sgwbox N3 2.0.25. Affected by this issue is some unknown functionality of the file /usr/sbin/http_eshell_server of the component WIRELESSCFGGET Interface. The manipulation of the argument params leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-14709?: A security vulnerability has been detected in Shiguangwu sgwbox N3 2.0.25. Affected by this issue is some unknown functionality of the file /usr/sbin/http_eshell_server of the component WIRELESSCFGGET Interface. The manipulation of the argument params leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-14709?: CVE-2025-14709 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-14709 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14709?: CVE-2025-14709 affects Sgwbox N3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14709?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-14709 have an EU (EUVD) identifier?: Yes. CVE-2025-14709 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203344.
When was CVE-2025-14709 published?: CVE-2025-14709 was published on 2025-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sgwbox:n3_firmware:*:*:*:*:*:*:*:*

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