CVE-2026-5339
Tenda G103 Setting gpon.lua action_set_net_settings command injection
- State
- Published
- Severity
- 5.1 Medium
- Published
- Apr 2, 2026
- Updated
- Apr 2, 2026
- Reserved
- Apr 1, 2026
Description
A vulnerability was detected in Tenda G103 1.0.0.5. The impacted element is the function action_set_net_settings of the file gpon.lua of the component Setting Handler. Performing a manipulation of the argument authLoid/authLoidPassword/authPassword/authSerialNo/authType/oltType/usVlanId/usVlanPriority results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS: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 | VulDB |
| 3.1 | 4.7 Medium | 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 | VulDB |
| 3.0 | 4.7 Medium | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.8 Medium | AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
G103Tenda |
|
References
- VDB-354670 | Tenda G103 Setting gpon.lua action_set_net_settings command injectionvdb-entrytechnical-description
- VDB-354670 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #781132 | Tenda G103 G103_V1.0.0.5 Command Injectionthird-party-advisory
- Submit #781133 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- Submit #781134 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- Submit #781135 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- Submit #781142 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- Submit #781143 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- Submit #781144 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- Submit #781145 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)third-party-advisory
- https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/authLoidexploit
- https://www.tenda.com.cn/product
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