CVE-2026-2908: high-severity vulnerability in Tenda HG9
Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.6%
A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · HG9Related CVEs — Tenda HG9
In the same product, most dangerous first.
CVE-2026-11499CRITICALTenda HG7/HG9/HG10 formDOMAINBLK stack-based overflowEPSS 6.6%CVE-2026-11498HIGHTenda HG7/HG9/HG10 Web Management voip_other_set asp_voip_OtherSet stack-based overflowEPSS 3.8%CVE-2026-2910HIGHTenda HG9 formPing6 stack-based overflowEPSS 3.0%CVE-2026-2906HIGHTenda HG9 Samba Configuration Endpoint formSamba stack-based overflowEPSS 0.7%CVE-2026-2909HIGHTenda HG9 Diagnostic Ping Endpoint formPing stack-based overflowEPSS 0.6%CVE-2026-2907HIGHTenda HG9 GPON Configuration Endpoint formgponConf stack-based overflowEPSS 0.6%