Tenda HG10 Boa Web Server formWanRedirect buffer overflow
Published Sep 6, 2026
8.7
HIGHCVSS 4.0
EPSS 0.85%
Description
A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component Boa Web Server. Executing a manipulation of the argument if can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
Affected products
-
- Version 300001138StatusaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:C/I:C/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Sep 11, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.85% (0.00854) | 56.85th | v5 (v2026.06.15) |
| Sep 6, 2026 | 0.48% (0.00476) | 39.48th | v5 (v2026.06.15) |
References (6)
- https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formWanRedirect-if.md exploit
- https://vuldb.com/cve/CVE-2026-86166 third-party-advisory
- https://vuldb.com/submit/895595 third-party-advisory
- https://vuldb.com/vuln/399305 vdb-entrytechnical-description
- https://vuldb.com/vuln/399305/cti signaturepermissions-required
- https://www.tenda.com.cn/ product
| Link | Providers | Tags |
|---|---|---|
| https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formWanRedirect-if.md | exploit | |
| https://vuldb.com/cve/CVE-2026-86166 | third-party-advisory | |
| https://vuldb.com/submit/895595 | third-party-advisory | |
| https://vuldb.com/vuln/399305 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/399305/cti | signaturepermissions-required | |
| https://www.tenda.com.cn/ | product |
Change history (0)
No recorded changes yet.