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Vulnerability record · CVE-2025-12596 · published 2 November 2025

CVE-2025-12596: Tenda ac23 firmware memory buffer overflow vulnerability

Tenda · Ac23 Firmware

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 to launch the attack remotely. The exploit has been disclosed publicly and may be used.

7.4 CVSS 4.0 High EPSS 1.1% · top 35.3% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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 to launch the attack remotely. The exploit has been disclosed publicly and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/LX-LX88/cve/issues/9 ExploitIssue TrackingThird Party Advisory
https://vuldb.com/?ctiid.330891 Permissions RequiredVDB Entry
https://vuldb.com/?id.330891 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.677585 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product
https://github.com/LX-LX88/cve/issues/9 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-40799Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function.EPSS 0.93%9.8CVE-2023-0782Tenda ac23 firmware out-of-bounds write vulnerabilityA vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysT…EPSS 1.5%9.8CVE-2022-43107Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the time parameter in the setSmartPowerManagement function.EPSS 0.97%9.8CVE-2022-43108Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the firewallEn parameter in the formSetFirewallCfg function.EPSS 0.97%9.8CVE-2022-43106Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the schedStartTime parameter in the setSchedWifi function.EPSS 0.97%9.8CVE-2022-43104Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the wpapsk_crypto parameter in the fromSetWirelessRepeat function.EPSS 0.97%9.8CVE-2022-43105Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the shareSpeed parameter in the fromSetWifiGusetBasic function.EPSS 0.97%9.8CVE-2022-43103Tenda ac23 firmware out-of-bounds write vulnerabilityTenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function.EPSS 0.97%

Source: NIST National Vulnerability Database (record CVE-2025-12596), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.