Tenda RX3 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A flaw has been found in Tenda RX3 16.03.13.11. This issue affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. This manipulation of the argument devName/mac causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | RX3 | 16.03.13.11 | — | No fix listed | CNA |
- RX3 VendorTenda Affected 16.03.13.11 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2185
- 2026-10-03 Alias added: GHSA-76cj-j4cw-vf9p
References
More Tenda Rx3 Firmware vulnerabilities
- TI-2026-01836 Tenda RX3 formSetQosBand set_qosMib_list stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-01835 Tenda RX3 SetIpMacBind fromSetIpMacBind stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-01830 Tenda RX3 openSchedWifi stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-01829 Tenda RX3 fast_setting_wifi_set stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-04967 Tenda RX3 SetStaticRouteCfg save_staticroute_data stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-02856 Tenda RX3 SetOnlineDevName formSetDeviceName stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-2185 · CVE Program
- CVE-2026-2185 · NVD
- FIRST EPSS
- GHSA-76cj-j4cw-vf9p · GitHub Advisory Database · CC BY 4.0
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