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Vulnerability record · CVE-2025-5850 · published 8 June 2025

CVE-2025-5850: Tenda ac15 firmware memory buffer overflow vulnerability

Tenda · Ac15 Firmware

A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been declared as critical. This vulnerability affects the function formsetschedled of the file /goform/SetLEDCf of the component HTTP POST Request Handler. The manipulation of the argument Time leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

7.4 CVSS 4.0 High EPSS 6.2% · top 6.7% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
6.2%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 AC15 15.03.05.19_multi. It has been declared as critical. This vulnerability affects the function formsetschedled of the file /goform/SetLEDCf of the component HTTP POST Request Handler. The manipulation of the argument Time leads to buffer overflow. The attack can be initiated 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

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

References

LinkTags
https://candle-throne-f75.notion.site/Tenda-AC15-formsetschedled-20adf0aa118580d984d8fcdb98d9959c ExploitThird Party Advisory
https://vuldb.com/?ctiid.311596 Permissions Required
https://vuldb.com/?id.311596 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.591376 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-2020-10987Tenda AC15 router command injection in goform/setUsbUnloadThe goform/setUsbUnload endpoint of Tenda AC15 AC1900 firmware 15.03.05.19 passes the deviceName POST parameter to a system command without sanitizat…KEVEPSS 80%analysed9.8CVE-2026-24103Tenda ac15 firmware classic buffer overflow vulnerabilityA buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.EPSS 0.43%9.8CVE-2026-24105Tenda ac15 firmware code injection vulnerabilityAn issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. The value of `v1` was not checked, potentially leading to a …EPSS 1.7%9.8CVE-2026-24101Tenda ac15 firmware os command injection vulnerabilityAn issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. When the condition is met, `s1_1` will be passed into sub_B0488, …EPSS 1.7%9.8CVE-2025-63666Tenda ac15 firmware improper access control vulnerabilityTenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suf…EPSS 0.47%9.8CVE-2025-29462Tenda ac15 firmware classic buffer overflow vulnerabilityA buffer overflow vulnerability has been discovered in Tenda Ac15 V15.13.07.13. The vulnerability occurs when the webCgiGetUploadFile function calls …EPSS 0.55%9.8CVE-2025-25632Tenda ac15 firmware command injection vulnerabilityTenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet.EPSS 1.7%9.8CVE-2023-36103Tenda ac15 firmware command injection vulnerabilityCommand Injection vulnerability in goform/SetIPTVCfg interface of Tenda AC15 V15.03.05.20 allows remote attackers to run arbitrary commands via craft…EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2025-5850), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.