High severity · published Feb 8, 2026
CVE-2026-2192
Tenda AC9 formGetRebootTimer stack-based overflow
7.2
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC9 · Tenda
15.03.06.42_multi · source: vendor
AF
Ac9 Firmware · Tenda
5.03.06.42_multi · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2192
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2192
Exploit
https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda4.md
Permissions Required
https://vuldb.com/?ctiid.344895
Third Party Advisory
https://vuldb.com/?id.344895
Third Party Advisory
https://vuldb.com/?submit.749801
Product
https://www.tenda.com.cn/
More from AC9
9.8
CVE-2018-14558
Tenda AC7, AC9, and AC10 Routers Command Injection Vulnerability
9.8
CVE-2025-45042
Tenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function
9.8
CVE-2025-44877
Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formSetSambaConf function via the usbname parameter
9.8
CVE-2025-44872
Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in the formsetUsbUnload function via the deviceName parameter
9.8
CVE-2025-45429
In 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 remote arbitrary code execution