CVE-2025-13446

Name: CVE-2025-13446
Creator: NVD / NIST
Published: 2025-11-20T15:17:25.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 3.40%

Last modified Jun 17, 2026

CVE-2025-13446 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. EPSS estimates a 3.40% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

7.4/10

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

EPSS Probability

3.40%

87.3th 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/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.mdExploit, Third Party Advisory
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.333018Permissions Required, VDB Entry
https://vuldb.com/?id.333018Third Party Advisory, VDB Entry
https://vuldb.com/?submit.694425Third Party Advisory, VDB Entry
https://vuldb.com/?submit.694430Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.mdExploit, Third Party Advisory
https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.mdExploit, Third Party Advisory

Timeline

Published: Nov 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-13446?

How severe is CVE-2025-13446?

CVE-2025-13446 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 3.40% probability of exploitation in the next 30 days.

How do I fix CVE-2025-13446?

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-2025-13446?

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

Scan your code now

Source: NVD / NIST