PT-2026-21406 · Tenda · Tenda Hg9 300001138

Linxi666 · Published 2026-02-10 · Updated 2026-02-27 · CVE-2026-2905

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda HG9 300001138

Description A stack-based buffer overflow exists in Tenda HG9 300001138. The issue is located in an unknown function of the file /boaform/formWlanSetup within the Wireless Configuration Endpoint component. Manipulation of the ssid parameter can trigger the overflow. The attack can be initiated remotely.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

BDU:2026-07512

CVE-2026-2905

Affected Products

Tenda Hg9 300001138

References · 15

• 🔥 https://github.com/QIU-DIE/cve-nneeww/issues/7 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-2905 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2905 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07512 · Security Note
• https://vuldb.com/?id.347214 · Note
• https://twitter.com/CVEarity/status/2025563590326120601 · Twitter Post
• https://twitter.com/CVEnew/status/2025425444984815809 · Twitter Post
• https://t.me/CVEtracker/45406 · Telegram Post
• https://twitter.com/CveFindCom/status/2025385223697916082 · Twitter Post
• https://twitter.com/cracbot/status/2027337985465983279 · Twitter Post
• https://t.me/cveNotify/152748 · Telegram Post
• https://twitter.com/CveTodo/status/2025397176529027210 · Twitter Post
• https://vuldb.com/?submit.755167 · Note
• https://vuldb.com/?ctiid.347214 · Note
• https://tenda.com.cn · Note