CVE-2026-2140

HIGH EPSS 49.8%
Published Feb 8, 20264mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Feb 8, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
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:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
49.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120

Affected Products 2

VendorProductVersionRange
tendatx9_firmware* ≤22.03.02.10
tendatx9*any

References 7

  • github.com https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md
    ExploitThird Party Advisory
  • github.com https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md#poc
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.344775
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.344775
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.747251
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.749747
    Third Party AdvisoryVDB Entry
  • tenda.com.cn https://www.tenda.com.cn/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.