CVE-2026-82695: Tenda AC18 Telnet telnet missing authentication

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-31 · updated 2026-08-31
Weakness: CWE-287

Description

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.

Affected products

Tenda AC18: 15.03.05.19

References

https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TENDA-AC18-TELNET-DEFAULT-UNAUTH-001-vulndb.md
https://vuldb.com/cve/CVE-2026-82695
https://vuldb.com/submit/894242
https://vuldb.com/vuln/397183
https://vuldb.com/vuln/397183/cti
https://www.tenda.com.cn/

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