CVE-2026-2187: high-severity vulnerability in Tenda RX3
Tenda RX3 formSetQosBand set_qosMib_list stack-based overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.9%
A vulnerability was found in Tenda RX3 16.03.13.11. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could 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
Affected products
Tenda · RX3Related CVEs — Tenda RX3
In the same product, most dangerous first.
CVE-2025-4357MEDIUMTenda RX3 telnet command injectionEPSS 15.8%CVE-2025-5527HIGHTenda RX3 SetStaticRouteCfg save_staticroute_data stack-based overflowEPSS 12.7%CVE-2025-3259HIGHTenda RX3 SetOnlineDevName formSetDeviceName stack-based overflowEPSS 1.2%CVE-2026-2186HIGHTenda RX3 SetIpMacBind fromSetIpMacBind stack-based overflowEPSS 0.9%CVE-2026-2185HIGHTenda RX3 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflowEPSS 0.8%CVE-2026-2181HIGHTenda RX3 openSchedWifi stack-based overflowEPSS 0.7%