What is CVE-2025-12596?

CVE-2025-12596 is a high-severity vulnerability in Tenda Ac23, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-11-02.

How severe is CVE-2025-12596?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Tenda Ac23

CVE-2025-12596

A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (22.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.

Affected products

Tenda Ac23 — versions 16.03.07.52

Weakness classification (CWE)

References

VDB-330891 | Tenda AC23 saveParentControlInfo buffer overflow (vdb-entry, technical-description)
VDB-330891 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #677585 | Tenda AC23 V16.03.07.52 Buffer Overflow (third-party-advisory)
github.com/LX-LX88/cve/issues/9 (broken-link, exploit, issue-tracking)
www.tenda.com.cn/ (product)

Frequently asked questions

What is CVE-2025-12596?: CVE-2025-12596 is a high-severity vulnerability in Tenda Ac23, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-11-02.
How severe is CVE-2025-12596?: High severity. CVSS v3 base score is 8.8 out of 10.