CVE-2026-5339
Low
No strong exploitation signal.
CVSS base
4.7
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
EPSS — probability of exploitation (30 days)
6.3%
93.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-77
Published 2026-04-02 · modified 2026-07-24
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | H | High |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | L | Low |
| Integrity | L | Low |
| Availability | L | Low |
Timeline
- 2026-04-02 — Published (NVD)
- 2026-07-24 — Last modified (NVD)
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.
Affected
References
- exploit https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/authLoid
- 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://vuldb.com/vuln/354670/cti
- https://www.tenda.com.cn/