How severe is CVE-2025-14879?

CVE-2025-14879 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-2025-14879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-14879?

CVE-2025-14879 affects Tenda Wh450 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-14879?

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-2025-14879 have an EU (EUVD) identifier?

Yes. CVE-2025-14879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204386.

When was CVE-2025-14879 published?

CVE-2025-14879 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-14879

CVE-2025-14879 is a critical-severity vulnerability in Tenda Wh450 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: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204386
Weakness: CWE-119
Affected product: Tenda Wh450 Firmware
Published: 2025-12-18
Last modified: 2026-06-17

Description

A weakness has been identified in Tenda WH450 1.0.0.18. Affected is an unknown function of the file /goform/onSSIDChange of the component HTTP Request Handler. This manipulation of the argument ssid_index causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Frequently asked questions

What is CVE-2025-14879?: A weakness has been identified in Tenda WH450 1.0.0.18. Affected is an unknown function of the file /goform/onSSIDChange of the component HTTP Request Handler. This manipulation of the argument ssid_index causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
How severe is CVE-2025-14879?: CVE-2025-14879 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-2025-14879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-14879?: CVE-2025-14879 affects Tenda Wh450 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-14879?: 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-2025-14879 have an EU (EUVD) identifier?: Yes. CVE-2025-14879 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204386.
When was CVE-2025-14879 published?: CVE-2025-14879 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:wh450_firmware:1.0.0.18:*:*:*:*:*:*:*

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