RCE in Tenda Ac6
CVE-2026-8259
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.083 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.083 · change: +0.039
Affected products
- Tenda Ac6 — versions 2.0, 15.03.06.23
- Tenda Ac6 Firmware — versions 15.03.06.23
Weakness classification (CWE)
References
- vuldb.com/vuln/362556 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362556/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/809877 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/ma… (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2026-8259?
- CVE-2026-8259 is a medium-severity vulnerability in Tenda Ac6, classified under Command Injection. CVSS score: 4.7/10. Published 2026-05-11.
- How severe is CVE-2026-8259?
- Medium severity. CVSS v3 base score is 4.7 out of 10.