Vulnerability details

CVE-2026-2192

Tenda AC9

Tenda AC9 formGetRebootTimer stack-based overflow

CVSS 4.0

8.6High

Official 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 scores

Score	Version	Source	Vector
8.6High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
7.2High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
7.2High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
8.3High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	AC9	15.03.06.42_multi	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/?id.344895 vdb-entrytechnical-description
https://vuldb.com/?ctiid.344895 signaturepermissions-required
https://vuldb.com/?submit.749801 third-party-advisory
https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda4.md exploit
https://www.tenda.com.cn/ product

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Details

Published: 2026-02-09
Last updated: 2026-02-23
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.78%

Probability of exploitation in 30 days

56.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption