What is CVE-2025-25343?

CVE-2025-25343 is a critical-severity vulnerability in Tenda Ac6, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-02-12.

How severe is CVE-2025-25343?

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

Buffer overflow in Tenda Ac6

CVE-2025-25343

Tenda AC6 V15.03.05.16 firmware has a buffer overflow vulnerability in the formexeCommand function.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (46.7th 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 Ac6
Tenda Ac6_firmware — versions 15.03.05.16
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-25343?: CVE-2025-25343 is a critical-severity vulnerability in Tenda Ac6, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-02-12.
How severe is CVE-2025-25343?: Critical severity. CVSS v3 base score is 9.8 out of 10.