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Vulnerability record · CVE-2025-11122 · published 28 September 2025

CVE-2025-11122: Tenda ac18 firmware memory buffer overflow vulnerability

Tenda · Ac18 Firmware

A vulnerability was detected in Tenda AC18 15.03.05.19. This affects an unknown function of the file /goform/WizardHandle. The manipulation of the argument WANT/mtuvalue results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.

7.4 CVSS 4.0 High EPSS 0.80% · top 45.1% CWE-119 · Memory buffer overflowCWE-121 · Stack-based 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
7References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was detected in Tenda AC18 15.03.05.19. This affects an unknown function of the file /goform/WizardHandle. The manipulation of the argument WANT/mtuvalue results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public 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/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/WizardHandle.md ExploitThird Party Advisory
https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/AC18/WizardHandle2.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.326203 Permissions RequiredVDB Entry
https://vuldb.com/?id.326203 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.664194 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.664195 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

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Related vulnerabilities

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

9.8CVE-2026-31255Tenda ac18 firmware command injection vulnerabilityA command injection vulnerability exists in Tenda AC18 V15.03.05.05_multi. The vulnerability is located in the /goform/SetSambaCfg interface, where i…EPSS 1.5%9.8CVE-2024-57579Tenda ac18 firmware out-of-bounds write vulnerabilityTenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the limitSpeedUp parameter in the formSetClientState function.EPSS 0.68%9.8CVE-2024-57580Tenda ac18 firmware out-of-bounds write vulnerabilityTenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the devName parameter in the formSetDeviceName function.EPSS 0.77%9.8CVE-2024-57581Tenda ac18 firmware out-of-bounds write vulnerabilityTenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the firewallEn parameter in the formSetFirewallCfg function.EPSS 0.75%9.8CVE-2024-57582Tenda ac18 firmware out-of-bounds write vulnerabilityTenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP parameter in the formSetPPTPServer function.EPSS 0.75%9.8CVE-2024-57583Tenda ac18 firmware command injection vulnerabilityTenda AC18 V15.03.05.19 was discovered to contain a command injection vulnerability via the usbName parameter in the formSetSambaConf function.EPSS 1.5%9.8CVE-2024-57575Tenda ac18 firmware out-of-bounds write vulnerabilityTenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the ssid parameter in the form_fast_setting_wifi_set function.EPSS 0.79%9.8CVE-2024-33835Tenda ac18 firmware out-of-bounds write vulnerabilityTenda AC18 V15.03.05.05 has a stack overflow vulnerability in the remoteIp parameter from formSetSafeWanWebMan function.EPSS 0.82%

Source: NIST National Vulnerability Database (record CVE-2025-11122), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.