CVE-2026-5338
A security vulnerability has been detected in Tenda G103 1.0.0.5.
Does this matter?
Lower severity and a low EPSS score (4.78%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 2.0 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 4.78% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Affected
- tenda/g103 firmware
- Source
- cna@vuldb.com
EPSS moved from 8.3% on 24 September 2026 to 4.8% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/action_set_system_settingsExploit, Third Party Advisory
- https://vuldb.com/submit/781131Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/354669Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/354669/ctiPermissions Required, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.