Vulnerability · Published Feb 8, 2026 · Assigned by VulDB
CVE-2026-2185Tenda RX3 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in RX3 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 44.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-344888 | Tenda RX3 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow vdb-entry, technical-description
- VDB-344888 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #749715 | Tenda RX3 V16.03.13.11 Stack-based Buffer Overflow third-party-advisory
- https://github.com/LX-66-LX/cve-new/issues/6 exploit, issue-tracking
- https://www.tenda.com.cn/ product