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.
Affected products
tenda: g103 firmware; tenda: g103
References10
- github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/authLoid ExploitThird Party Advisory
- vuldb.com/submit/781132 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781133 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781134 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781135 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781142 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781143 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781144 Third Party AdvisoryVDB Entry
- vuldb.com/submit/781145 Third Party AdvisoryVDB Entry
- vuldb.com/vuln/354670 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
2.0
LOW
Score source: CNA
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 6% percentile: 94 · as of 12 November 2026
- CWE
- CWE-74CWE-77
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.