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Vulnerability record · CVE-2026-2192 · published 8 February 2026

CVE-2026-2192: Tenda ac9 firmware memory buffer overflow vulnerability

Tenda · Ac9 Firmware

A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

7.3 CVSS 4.0 High EPSS 0.69% · top 49.2% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.3CVSS 4.0 base score, v2 8.3
0.69%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 security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda4.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.344895 Permissions RequiredVDB Entry
https://vuldb.com/?id.344895 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.749801 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-2025-45042Tenda ac9 firmware command injection vulnerabilityTenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function.EPSS 1.6%9.8CVE-2025-44872Tenda ac9 firmware command injection vulnerabilityTenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formsetUsbUnload function via the deviceName parameter. Th…EPSS 1.8%9.8CVE-2025-44877Tenda ac9 firmware command injection vulnerabilityTenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function via the usbname parameter. This …EPSS 1.8%9.8CVE-2025-45429Tenda ac9 firmware stack-based buffer overflow vulnerabilityIn the Tenda ac9 v1.0 router with firmware V15.03.05.14_multi, there is a stack overflow vulnerability in /goform/WifiWpsStart, which may lead to rem…EPSS 1.1%9.8CVE-2025-45427Tenda ac9 firmware stack-based buffer overflow vulnerabilityIn Tenda AC9 v1.0 with firmware V15.03.05.14_multi, the security parameter of /goform/WifiBasicSet has a stack overflow vulnerability, which can lead…EPSS 0.92%9.8CVE-2025-45428Tenda ac9 firmware stack-based buffer overflow vulnerabilityIn Tenda ac9 v1.0 with firmware V15.03.05.14_multi, the rebootTime parameter of /goform/SetSysAutoRebbotCfg has a stack overflow vulnerability, which…EPSS 0.92%9.8CVE-2025-29384Tenda ac9 firmware out-of-bounds write vulnerabilityIn Tenda AC9 v1.0 V15.03.05.14_multi, the wanMTU parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote ar…EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2026-2192), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.