CVE-2025-9090

Name: CVE-2025-9090
Creator: NVD / NIST
Published: 2025-08-17T03:15:26.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 14.11%

Last modified Jun 17, 2026

CVE-2025-9090 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. EPSS estimates a 14.11% chance of exploitation in the next 30 days.

Description

A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack 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

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

14.11%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac20 Firmware	16.03.08.12

References

https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.mdExploit, Third Party Advisory
https://github.com/ZZ2266/.github.io/blob/main/AC20/telnet/readme.md#poc-exploit-stepsExploit, Third Party Advisory
https://vuldb.com/?ctiid.320358Permissions Required, VDB Entry
https://vuldb.com/?id.320358Third Party Advisory, VDB Entry
https://vuldb.com/?submit.632232Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Aug 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-9090?

How severe is CVE-2025-9090?

CVE-2025-9090 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 14.11% probability of exploitation in the next 30 days.

How do I fix CVE-2025-9090?

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-2025-9090?

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

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Source: NVD / NIST