CVE-2026-82695criticalCWE-287CWE-306

CVE-2026-82695: critical vulnerability in Tenda AC18

Tenda AC18 Telnet telnet missing authentication

Published

Follow this CVE+ Monitor AC18

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 10epss 1.4%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Affected products
Tenda · AC18
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Tenda AC18

In the same product, most dangerous first.

CVE-2025-0528HIGHTenda AC8/AC10/AC18 HTTP Request telnet command injectionEPSS 6.2%CVE-2024-2854MEDIUMTenda AC18 setsambacfg formSetSambaConf os command injectionEPSS 3.9%CVE-2025-5606MEDIUMTenda AC18 SetIPTVCfg formSetIptv command injectionEPSS 3.8%CVE-2025-11121MEDIUMTenda AC18 AdvSetLanip command injectionEPSS 3.7%CVE-2024-2485HIGHTenda AC18 SetSpeedWan formSetSpeedWan stack-based overflowEPSS 1.7%CVE-2024-2490HIGHTenda AC18 openSchedWifi setSchedWifi stack-based overflowEPSS 1.6%