Tenda g103 Firmware vulnerabilities

5 CVEs affecting Tenda g103 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-5339, published 2026-04-02.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2023-27076, published 2023-04-10. Critical severity, CVSS 9.8. EPSS: 22.9% chance of exploitation in the next 30 days. Command injection vulnerability found in Tenda G103 v.1.0.0.5 allows attacker to execute arbitrary code via a the language parameter.
CVE-2026-5339, published 2026-04-02. High severity, CVSS 8.8. EPSS: 10.2% chance of exploitation in the next 30 days. 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…
CVE-2026-5338, published 2026-04-02. High severity, CVSS 7.2. EPSS: 8.3% chance of exploitation in the next 30 days. A security vulnerability has been detected in Tenda G103 1.0.0.5. The affected element is the function action_set_system_settings of the file system.lua of the component Setting Handler. Such…
CVE-2023-27079, published 2023-03-23. High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days. Command Injection vulnerability found in Tenda G103 v.1.0.05 allows an attacker to obtain sensitive information via a crafted package
CVE-2023-33530, published 2023-06-06. High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days. There is a command injection vulnerability in the Tenda G103 Gigabit GPON Terminal with firmware version V1.0.0.5. If an attacker gains web management privileges, they can inject commands gaining…