← Vulnerability feed

Vulnerability record · CVE-2026-2905 · published 22 February 2026

CVE-2026-2905: Tenda hg9 firmware memory buffer overflow vulnerability

Tenda · Hg9 Firmware

A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.

7.4 CVSS 4.0 High EPSS 1.0% · top 37.8% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/QIU-DIE/cve-nneeww/issues/7 ExploitIssue TrackingMitigationThird Party Advisory
https://vuldb.com/?ctiid.347214 Permissions RequiredVDB Entry
https://vuldb.com/?id.347214 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.755167 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

Track CVE-2026-2905 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2022-30023Tenda hg9 firmware os command injection vulnerabilityTenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1 is vulnerable to Command Injection via the Ping function.EPSS 39%7.4CVE-2026-2910Tenda hg9 firmware memory buffer overflow vulnerabilityA flaw has been found in Tenda HG9 300001138. This vulnerability affects unknown code of the file /boaform/formPing6. Executing a manipulation of the…EPSS 1.0%7.4CVE-2026-2909Tenda hg9 firmware memory buffer overflow vulnerabilityA vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endp…EPSS 1.0%7.4CVE-2026-2906Tenda hg9 firmware memory buffer overflow vulnerabilityA security flaw has been discovered in Tenda HG9 300001138. Affected is an unknown function of the file /boaform/formSamba of the component Samba Con…EPSS 1.0%7.4CVE-2026-2907Tenda hg9 firmware memory buffer overflow vulnerabilityA weakness has been identified in Tenda HG9 300001138. Affected by this vulnerability is an unknown functionality of the file /boaform/formgponConf o…EPSS 1.0%7.4CVE-2026-2908Tenda hg9 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoop…EPSS 1.0%9.5CVE-2026-88772Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer VulnerabilityVulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 F…KEV8.8CVE-2026-8452Citrix NetScaler ADC and Gateway memory buffer overflow causes DoSCVE-2026-8452 is a memory buffer overflow (CWE-119) in Citrix NetScaler ADC and NetScaler Gateway that leads to unpredictable or erroneous behavior a…KEVEPSS 1.0%analysed

Source: NIST National Vulnerability Database (record CVE-2026-2905), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.