Vulnerability · Published Apr 2, 2026 · Assigned by VulDB
CVE-2026-5338Tenda G103 Setting system.lua action_set_system_settings command injection
Medium 4.7
In plain English
A medium-severity command injection in G103 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.0% (higher than 92% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)5.0%top 7.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security vulnerability has been detected in Tenda G103 1.0.0.5. The affected element is the function action_set_system_settings of the file system.lua of the component Setting Handler. Such manipulation of the argument lanIp leads to command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-354669 | Tenda G103 Setting system.lua action_set_system_settings command injection vdb-entry, technical-description
- VDB-354669 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #781131 | Tenda G103 G103_V1.0.0.5 Command Injection third-party-advisory
- https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/action_set_system_settings exploit
- https://www.tenda.com.cn/ product