Vulnerability · Published Mar 20, 2026 · Assigned by VulDB
CVE-2026-4491Tenda A18 Pro SetIpMacBind fromSetIpMacBind stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in A18 Pro from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 57.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in Tenda A18 Pro 02.03.02.28. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed to the public 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-352017 | Tenda A18 Pro SetIpMacBind fromSetIpMacBind stack-based overflow vdb-entry, technical-description
- VDB-352017 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #773671 | Tenda A18pro V02.03.02.28 Stack-based Buffer Overflow third-party-advisory
- https://github.com/lilukun337/cve/issues/3 exploit, issue-tracking
- https://www.tenda.com.cn/ product