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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.

PUBLISHED Reserved 2026-04-01 | Published 2026-04-02 | Updated 2026-04-02 | Assigner VulDB




MEDIUM: 5.1CVSS: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
MEDIUM: 4.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 4.7CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.8AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

1.0.0.5
affected

Timeline

2026-04-01:Advisory disclosed
2026-04-01:VulDB entry created
2026-04-01:VulDB entry last update

Credits

n0ps1ed (VulDB User) reporter

References

vuldb.com/vuln/354670 (VDB-354670 | Tenda G103 Setting gpon.lua action_set_net_settings command injection) vdb-entry technical-description

vuldb.com/vuln/354670/cti (VDB-354670 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/781132 (Submit #781132 | Tenda G103 G103_V1.0.0.5 Command Injection) third-party-advisory

vuldb.com/submit/781133 (Submit #781133 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

vuldb.com/submit/781134 (Submit #781134 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

vuldb.com/submit/781135 (Submit #781135 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

vuldb.com/submit/781142 (Submit #781142 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

vuldb.com/submit/781143 (Submit #781143 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

vuldb.com/submit/781144 (Submit #781144 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

vuldb.com/submit/781145 (Submit #781145 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)) third-party-advisory

github.com/ZZ2266/.github.io/tree/main/Tenda G103/authLoid exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-5339)

nvd.nist.gov (CVE-2026-5339)

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