CVE-2026-82542: Tenda HG10 Boa Web Server formIPv6Routing buffer overflow

Severity: critical (CVSS 10.0 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: 2026-08-30 · updated 2026-09-01
Weakness: CWE-119

Description

A weakness has been identified in Tenda HG10 300001138. Affected by this issue is the function formIPv6Routing of the file /boaform/admin/formIPv6Routing of the component Boa Web Server. This manipulation of the argument destNet causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

Tenda HG10: 300001138

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formIPv6Route-destNt.md
https://vuldb.com/cve/CVE-2026-82542
https://vuldb.com/submit/888876
https://vuldb.com/vuln/397058
https://vuldb.com/vuln/397058/cti
https://www.tenda.com.cn/

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