CVE-2026-8259

Name: CVE-2026-8259
Creator: NVD / NIST
Published: 2026-05-11T02:16:27.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2/10EPSS 4.45%

Last modified Jun 17, 2026

CVE-2026-8259 is a low-severity vulnerability rated 2/10 on the CVSS scale. A vulnerability has been found in Tenda AC6 2.0/15.03.06.23. The affected element is an unknown function of the file /goform/telnet of the component httpd. EPSS estimates a 4.45% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in Tenda AC6 2.0/15.03.06.23. The affected element is an unknown function of the file /goform/telnet of the component httpd. The manipulation of the argument lan.ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

7.2/10

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

CVSS 4.0

2/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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

4.45%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ac6 Firmware	15.03.06.23

References

https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/Tenda%20AC6V2%20TendaTelnet%20Command%20Injection.mdExploit, Third Party Advisory
https://vuldb.com/submit/809877Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362556Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362556/ctiPermissions Required, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: May 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8259?

How severe is CVE-2026-8259?

CVE-2026-8259 has a CVSS score of 2/10 (LOW severity). The EPSS model estimates a 4.45% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8259?

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-2026-8259?

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

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Source: NVD / NIST