{"id":"CVE-2026-5339","state":"PUBLISHED","title":"Tenda G103 Setting gpon.lua action_set_net_settings command injection","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.","publishedAt":"2026-04-02T14:15:12.509Z","updatedAt":"2026-04-02T15:55:52.097Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["Tenda G103"],"affected":[{"vendor":"Tenda","product":"G103","versions":[{"version":"1.0.0.5","status":"affected"}],"cpes":["cpe:2.3:o:tenda:g103_firmware:*:*:*:*:*:*:*:*"],"modules":["Setting Handler"]}],"references":["https://vuldb.com/vuln/354670","https://vuldb.com/vuln/354670/cti","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://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/authLoid","https://www.tenda.com.cn/"],"weaknesses":["CWE-77","CWE-74"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/5xxx/CVE-2026-5339.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5339","state":"PUBLISHED","datePublished":"2026-04-02T14:15:12.509Z","dateUpdated":"2026-04-02T15:55:52.097Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-04-01T14:09:12.110Z"},"containers":{"cna":{"title":"Tenda G103 Setting gpon.lua action_set_net_settings command injection","descriptions":[{"lang":"en","value":"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":[{"vendor":"Tenda","product":"G103","versions":[{"version":"1.0.0.5","status":"affected"}],"cpes":["cpe:2.3:o:tenda:g103_firmware:*:*:*:*:*:*:*:*"],"modules":["Setting Handler"]}],"references":[{"url":"https://vuldb.com/vuln/354670","name":"VDB-354670 | Tenda G103 Setting gpon.lua action_set_net_settings command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/354670/cti","name":"VDB-354670 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/781132","name":"Submit #781132 | Tenda G103 G103_V1.0.0.5 Command Injection","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781133","name":"Submit #781133 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781134","name":"Submit #781134 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781135","name":"Submit #781135 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781142","name":"Submit #781142 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781143","name":"Submit #781143 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781144","name":"Submit #781144 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/781145","name":"Submit #781145 | Tenda G103 G103_V1.0.0.5 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/authLoid","tags":["exploit"]},{"url":"https://www.tenda.com.cn/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.1,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.7,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.7,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5.8,"vectorString":"AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","type":"CWE","lang":"en","description":"Command Injection"}]},{"descriptions":[{"cweId":"CWE-74","type":"CWE","lang":"en","description":"Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-04-02T14:15:12.509Z"},"timeline":[{"time":"2026-04-01T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-01T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-01T16:14:18.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"n0ps1ed (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T15:36:57.243748Z","id":"CVE-2026-5339","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-02T15:55:52.097Z"}}]}}}