Tenda AC21 Web Management DownloadFlash information disclosure
Published Feb 8, 2026
6.9
MEDIUMCVSS 4.0
EPSS 0.58%
Description
A security vulnerability has been detected in Tenda AC21 16.03.08.16. Affected is an unknown function of the file /cgi-bin/DownloadFlash of the component Web Management Interface. The manipulation leads to information disclosure. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
Affected products
-
- Version 16.03.08.16StatusaffectedConstraints-
- Version
- 16.03.08.16
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:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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:N/UI:N/S:U/C:H/I:N/A:N
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R
AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Feb 10, 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
Feb–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.58% (0.00577) | 45.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.54% (0.00544) | 41.12th | v5 (v2026.06.15) |
| Feb 8, 2026 | 0.04% (0.00043) | 13.04th | v4 (v2025.03.14) |
References (5)
- https://github.com/master-abc/cve/issues/27 exploitissue-trackingIssue TrackingThird Party Advisory
- https://vuldb.com/?ctiid.344850 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.344850 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.747557 third-party-advisoryThird Party AdvisoryVDB Entry
- https://www.tenda.com.cn/ product
| Link | Providers | Tags |
|---|---|---|
| https://github.com/master-abc/cve/issues/27 | exploitissue-trackingIssue TrackingThird Party Advisory | |
| https://vuldb.com/?ctiid.344850 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.344850 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?submit.747557 | third-party-advisoryThird Party AdvisoryVDB Entry | |
| https://www.tenda.com.cn/ | product |
Change history (0)
No recorded changes yet.