What’s Vulnerable › Vulnerabilities

CVE-2026-85109: Tenda HG10 Boa Web Server formLogin buffer overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-03 · updated 2026-09-03
• Weakness: CWE-119

Description

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.

Affected products

• Tenda HG10: 300001138

References

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

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