← Vulnerability feed

Vulnerability record · CVE-2025-11356 · published 7 October 2025

CVE-2025-11356: Tenda ac23 firmware memory buffer overflow vulnerability

Tenda · Ac23 Firmware

A vulnerability was found in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.

7.4 CVSS 4.0 High EPSS 0.80% · top 45.2% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could 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/cymiao1978/cve/blob/main/12.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.327241 Permissions RequiredVDB Entry
https://vuldb.com/?id.327241 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.664923 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

Track CVE-2025-11356 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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-2025-11356), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.