VulnerabilityAnalyzed
CVE-2026-5339
A vulnerability was detected in Tenda G103 1.0.0.5.
LOW 2.0EPSS 6.26%
Does this matter?
Lower severity and a low EPSS score (6.26%). Track it; it rarely justifies an emergency change on its own.
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.
- 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
- 6.26% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Affected
- tenda/g103 firmware
- Source
- cna@vuldb.com
References
- https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/authLoidExploit, Third Party Advisory
- https://vuldb.com/submit/781132Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781133Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781134Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781135Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781142Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781143Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781144Third Party Advisory, VDB Entry
- https://vuldb.com/submit/781145Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/354670Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/354670/ctiPermissions Required, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.