CVE-2026-2148

Name: CVE-2026-2148
Creator: NVD / NIST
Published: 2026-02-08T11:15:51.8+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2026-2148 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 4.0

5.5/10

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

EPSS Probability

0.54%

41.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac21 Firmware	16.03.08.16

References

https://github.com/master-abc/cve/issues/27Exploit, Issue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.344850Permissions Required, VDB Entry
https://vuldb.com/?id.344850Third Party Advisory, VDB Entry
https://vuldb.com/?submit.747557Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Feb 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2148?

How severe is CVE-2026-2148?

CVE-2026-2148 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2148?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2148?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST