Critical severity · published Aug 30, 2026
CVE-2026-82542
Tenda HG10 Boa Web Server formIPv6Routing buffer overflow
10.0
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HG
HG10 · Tenda
300001138 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82542
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82542
github.com
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formIPv6Route-destNt.md
vuldb.com
https://vuldb.com/cve/CVE-2026-82542
vuldb.com
https://vuldb.com/submit/888876
vuldb.com
https://vuldb.com/vuln/397058
vuldb.com
https://vuldb.com/vuln/397058/cti
www.tenda.com.cn
https://www.tenda.com.cn/
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