CVE-2026-85109

CRITICAL 9.8

Tenda HG10 Boa Web Server formLogin buffer overflow

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formLogin of the file /boaform/formLogin of the component Boa Web Server. Executing a manipulation of the argument Username can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

CWE	CWE-120 CWE-119
Vendor	tenda
Product	hg10
Published	Sep 3, 2026
Last Updated	Sep 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / HG10

300001138

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/398315 vuldb.com: https://vuldb.com/vuln/398315/cti vuldb.com: https://vuldb.com/cve/CVE-2026-85109 vuldb.com: https://vuldb.com/submit/891994 github.com: https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formLogin_username.md tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 sunnyyaya (VulDB User)