Vulnerability · Published Aug 31, 2026 · Assigned by VulDB
CVE-2026-82693Tenda AC1206 Web UI telnet TendaTelnet missing authentication
Critical 10.0
In plain English
A critical-severity missing authentication in AC1206 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.4%top 27.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in Tenda AC1206 15.03.06.23. This vulnerability affects the function TendaTelnet of the file /goform/telnet of the component Web UI. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-397181 | Tenda AC1206 Web UI telnet TendaTelnet missing authentication vdb-entry, technical-description
- VDB-397181 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-82693 | CVE Analysis and Report third-party-advisory
- Submit #894235 | Tenda AC1206 V1.0 RTL / F1203-class web UI V15.03.06.23 Missing Authentication for Critical Function&Missing Authorizati third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TENDA-AC1206-TELNET-DEFAULT-UNAUTH-001-vulndb.md exploit
- https://www.tenda.com.cn/ product