How severe is CVE-2025-25678?

CVE-2025-25678 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-2025-25678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25678?

CVE-2025-25678 affects Tenda I12 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25678?

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-2025-25678 have an EU (EUVD) identifier?

Yes. CVE-2025-25678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4498.

When was CVE-2025-25678 published?

CVE-2025-25678 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2025-25678

CVE-2025-25678 is a critical-severity vulnerability in Tenda I12 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4498
Weakness: CWE-120
Affected product: Tenda I12 Firmware
Published: 2025-02-20
Last modified: 2026-06-17

Description

Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the funcpara1 parameter in the formSetCfm function.

Frequently asked questions

What is CVE-2025-25678?: Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the funcpara1 parameter in the formSetCfm function.
How severe is CVE-2025-25678?: CVE-2025-25678 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-2025-25678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25678?: CVE-2025-25678 affects Tenda I12 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25678?: 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-2025-25678 have an EU (EUVD) identifier?: Yes. CVE-2025-25678 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4498.
When was CVE-2025-25678 published?: CVE-2025-25678 was published on 2025-02-20 and last updated on 2026-06-17.

References

https://github.com/jangfan/my-vuln/blob/main/Tenda/i12V1/setcfm.md

Affected products (1)

cpe:2.3:o:tenda:i12_firmware:1.0.0.10\(3805\):*:*:*:*:*:*:*

More vulnerabilities in Tenda I12 Firmware

CVE-2025-25676 — Critical (CVSS 9.8): Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDset…
CVE-2026-5609 — High (CVSS 8.8): A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the…
CVE-2026-4043 — High (CVSS 8.8): A security vulnerability has been detected in Tenda i12 1.0.0.6(2204). The impacted element is the function…
CVE-2026-4042 — High (CVSS 8.8): A weakness has been identified in Tenda i12 1.0.0.6(2204). The affected element is the function formWifiMacFilterGet of…
CVE-2026-4041 — High (CVSS 8.8): A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file…
CVE-2025-25679 — High (CVSS 8.0): Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the index parameter in the…

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