CVE-2026-5339
Tenda G103 Setting gpon.lua action_set_net_settings command injection
LOW 2.0EPSS 10.2%
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
- Tenda · G103
- CVSS v4.0 VULDB
- 2.0 LOW
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 - CVSS v3.1 NVD
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 VULDB
- 4.7 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - CVSS v2.0 VULDB
- 5.8 MEDIUM
AV:N/AC:L/Au:M/C:P/I:P/A:P - EPSS
- 10.21% chance of exploitation in the next 30 days, 96th percentile
- Published
- 2026-04-02
Proof-of-concept exploits (1)
- ZZ2266/.github.io/tree/main/Tenda%20G103/authLoid5★ · 2026-03-22
Security advisories
- https://vuldb.com/submit/781132
- https://vuldb.com/submit/781133
- https://vuldb.com/submit/781134
- https://vuldb.com/submit/781135
- https://vuldb.com/submit/781142
- https://vuldb.com/submit/781143
- https://vuldb.com/submit/781144
- https://vuldb.com/submit/781145
- https://vuldb.com/vuln/354670
- https://www.tenda.com.cn