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Vulnerability record · CVE-2025-9023 · published 15 August 2025

CVE-2025-9023: Tenda ac7 firmware memory buffer overflow vulnerability

Tenda · Ac7 Firmware

A vulnerability has been found in Tenda AC7 and AC18 15.03.05.19/15.03.06.44. Affected is the function formSetSchedLed of the file /goform/SetLEDCfg. The manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

7.4 CVSS 4.0 High EPSS 0.82% · top 44.1% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
0.82%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
7References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability has been found in Tenda AC7 and AC18 15.03.05.19/15.03.06.44. Affected is the function formSetSchedLed of the file /goform/SetLEDCfg. The manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the 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

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

References

LinkTags
https://github.com/zezhifu1/cve_report/blob/main/AC18/formsetschedled.md ExploitThird Party Advisory
https://github.com/zezhifu1/cve_report/blob/main/AC7/formsetschedled.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.320088 Permissions RequiredVDB Entry
https://vuldb.com/?id.320088 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.629692 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.629696 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-2018-14558Tenda AC7, AC9 and AC10 routers command injection via setUsbUnloadTenda AC7, AC9 and AC10 router firmware contains an OS command injection flaw in the formsetUsbUnload function, which passes untrusted input from a c…KEVEPSS 8.7%analysed9.8CVE-2026-51846Tenda ac7 firmware stack-based buffer overflow vulnerabilityIn Tenda AC7 v15.03.06.44, the wanSpeed parameter of the route /goform/AdvSetMacMtuWan has a stack buffer overflow vulnerability that can lead to rem…EPSS 0.85%9.8CVE-2026-51845Tenda ac7 firmware stack-based buffer overflow vulnerabilityTenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the mac parameter.EPSS 0.56%9.8CVE-2026-51843Tenda ac7 firmware stack-based buffer overflow vulnerabilityTenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the wanMTU parameter.EPSS 0.56%9.8CVE-2026-51844Tenda ac7 firmware stack-based buffer overflow vulnerabilityTenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the cloneType parameter.EPSS 0.56%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-2025-29135Tenda ac7 firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability in Tenda AC7 V15.03.06.44 allows a remote attacker to execute arbitrary code through a stack overflow att…EPSS 1.1%9.8CVE-2025-29137Tenda ac7 firmware classic buffer overflow vulnerabilityTenda AC7 V1.0 V15.03.06.44 found a buffer overflow caused by the timeZone parameter in the form_fast_setting_wifi_set function, which can cause RCE.EPSS 0.54%

Source: NIST National Vulnerability Database (record CVE-2025-9023), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.