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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-5338
• https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/action_set_system_settings
• https://vuldb.com/submit/781131
• https://vuldb.com/vuln/354669
• https://vuldb.com/vuln/354669/cti
• https://www.tenda.com.cn