CVE-2025-3259: high-severity vulnerability in Tenda RX3
Tenda RX3 SetOnlineDevName formSetDeviceName stack-based overflow
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 1.2%
A vulnerability, which was classified as critical, has been found in Tenda RX3 16.03.13.11. This issue affects the function formSetDeviceName of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may 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
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-2026-2187HIGHTenda RX3 formSetQosBand set_qosMib_list stack-based overflowEPSS 0.9%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 0.7%CVE-2026-2181HIGHTenda RX3 openSchedWifi stack-based overflowEPSS 0.7%
References
https://sixth-action-50e.notion.site/Tenda-RX3-Buffer-Overflow-1c9f6468377380a2977cd6c3a81f453chttps://sixth-action-50e.notion.site/Tenda-RX3-Buffer-Overflow-1c9f6468377380a2977cd6c3a81f453c?pvs=4https://vuldb.com/?ctiid.303329https://vuldb.com/?id.303329https://vuldb.com/?submit.549199https://www.tenda.com.cn/