Tenda HG10 Boa Web Server formIPv6Routing buffer overflow
Summary
| CVE | CVE-2026-82542 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-30 13:16:56 UTC |
| Updated | 2026-08-30 13:16:56 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 9.3 CRITICAL from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-119 | CWE-120 | CWE-120 Buffer Overflow | CWE-119 Memory Corruption
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/C... |
| 4.0 | CNA | DECLARED | 10 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 3.1 | [email protected] | Primary | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 3.0 | CNA | DECLARED | 10 | CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 10 | AV:N/AC:L/Au:N/C:C/I:C/A:C | |
| 2.0 | CNA | DECLARED | 10 | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
HighSub Integrity
HighSub Availability
HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/cve/CVE-2026-82542 | [email protected] | vuldb.com | |
| www.tenda.com.cn | [email protected] | www.tenda.com.cn | |
| vuldb.com/vuln/397058 | [email protected] | vuldb.com | |
| vuldb.com/submit/888876 | [email protected] | vuldb.com | |
| github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/... | [email protected] | github.com | |
| vuldb.com/vuln/397058/cti | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: sunnyyaya (VulDB User) (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-29T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-08-29T02:00:00.000Z | VulDB entry created |
| CNA | 2026-08-29T19:49:01.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.