CVE-2026-8259 Details
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.
A command injection vulnerability has been identified in the Tenda AC6 router, specifically in version 2.0 of the firmware (15.03.06.23). The issue arises in the HTTP daemon (httpd) when the Telnet form is processed. The vulnerability allows remote exploitation by injecting commands through the 'lan.ip' parameter, which is passed to the system command executor without proper sanitization.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 11, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/Tenda%20AC6V2%20TendaTelnet%20Command%20Injection.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/809877 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362556 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362556/cti | [email protected] | Permissions RequiredVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda ac6 firmware | 15.03.06.23 |
CPE
Remediation
| |
| tenda ac6 | 2.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 11, 2026 | Initial Analysis | [email protected] |
| May 11, 2026 | New CVE Received | [email protected] |