Auth bypass in Tenda Ac18
CVE-2026-82695
A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.014 · change: +0.007
Affected products
- Tenda Ac18 — versions 15.03.05.19
Weakness classification (CWE)
References
- vuldb.com/vuln/397183 (vdb-entry)
- vuldb.com/vuln/397183/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82695 (third-party-advisory)
- vuldb.com/submit/894242 (third-party-advisory)
- github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/ma… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-82695?
- CVE-2026-82695 is a critical-severity vulnerability in Tenda Ac18, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-08-31.
- How severe is CVE-2026-82695?
- Critical severity. CVSS v3 base score is 10.0 out of 10.