Vulnerability · Published Mar 12, 2026 · Assigned by VulDB
CVE-2026-4042Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in i12 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 41.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in Tenda i12 1.0.0.6(2204). The affected element is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. This manipulation of the argument index causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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-350654 | Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow vdb-entry, technical-description
- VDB-350654 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #769463 | Tenda i12 V1.0.0.6(2204) Buffer Overflow third-party-advisory
- https://github.com/Jimi-Lab/cve/issues/2 exploit, issue-tracking
- https://www.tenda.com.cn/ product