What is CVE-2025-25678?

CVE-2025-25678 is a critical-severity vulnerability in Tenda I12, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-02-20.

How severe is CVE-2025-25678?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-25678 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda I12

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tenda I12
Tenda I12_firmware — versions 1.0.0.10\(3805\)
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Broken Link)

Frequently asked questions

What is CVE-2025-25678?: CVE-2025-25678 is a critical-severity vulnerability in Tenda I12, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-02-20.
How severe is CVE-2025-25678?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-25678 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.