Security readout for executives and security teams
Plain-English summary
A Tenda AC1206 running firmware 15.03.06.23 may expose a critical web-management function without requiring authentication. A remote attacker who can reach the Web UI could potentially compromise the device’s confidentiality, integrity, and availability. Public exploit material exists, but the supplied sources do not establish active exploitation.
Executive priority
Prioritize immediate exposure reduction and inventory validation. Internet-accessible affected devices warrant emergency handling because exploitation requires no credentials or user action and public material exists. Confirm vendor remediation promptly; where no supported fix exists, isolate or replace the device based on business criticality.
Technical view
The Web UI handler R7WebsSecurityHandler for /goform/ate lacks required authentication. The issue is classified as CWE-287 and CWE-306, with a CVSS 4.0 score of 10.0. The documented attack requires network access but no privileges or user interaction. Only Tenda AC1206 firmware 15.03.06.23 is confirmed affected by the supplied evidence.
Likely exposure
Exposure is highest where an affected device’s Web UI is reachable from the internet or another untrusted network. Internally reachable management interfaces also remain at risk from compromised hosts. The supplied sources do not establish whether other AC1206 firmware versions or Tenda models are affected.
Exploitation context
Public exploit material is linked, and the CVSS vector records proof-of-concept exploitation maturity. However, the CVE is not identified as being in CISA KEV, and no supplied source confirms attacks in the wild. Treat exploitation as feasible, not confirmed active.
Researcher notes
The evidence identifies a missing-authentication condition in R7WebsSecurityHandler at /goform/ate. CVSS 4.0 indicates network reachability, low complexity, no privileges, no interaction, and high impacts across vulnerable and subsequent systems. Vendor acknowledgement, a fixed release, affected-version breadth, and real-world exploitation remain unconfirmed in the supplied sources.
Mitigation direction
- Identify Tenda AC1206 devices running firmware 15.03.06.23.
- Block Web UI access from the internet and untrusted network segments.
- Restrict management access to explicitly authorized administrative hosts.
- Check Tenda guidance for corrected firmware or vendor-approved mitigation.
- Consider replacement or isolation if no supported correction is available.
Validation and detection
- Verify device model and installed firmware through trusted inventory or administrative records.
- Confirm firewalls prevent untrusted access to the device’s Web UI.
- Review available network logs for unexpected requests targeting /goform/ate.
- Check current Tenda advisories for firmware or mitigation updates.
- After remediation, verify the management interface remains restricted to authorized hosts.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-82694 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (4.0)
- Known Exploited
- No
- Published
Vector: 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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
4 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R3.96VulDBCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R3.96VulDBAV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR1010VulDBVulnerability scoring details
Base CVSS 4.0 score
10CriticalVector: 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
Base CVSS 3.1 score
10CriticalVector: 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
Base CVSS 3.0 score
10CriticalVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 2.0 score
10CriticalVector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineVulDB
Advisory disclosed
- Source timelineVulDB
VulDB entry created
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineVulDB
VulDB entry last update
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- VDB-397182 | Tenda AC1206 Web UI ate R7WebsSecurityHandler missing authenticationCVE reference, VulDB · vdb-entry, technical-description
- VDB-397182 | CTI Indicators (IOB, IOC, IOA)CVE reference, VulDB · signature, permissions-required
- CVE-2026-82694 | CVE Analysis and ReportCVE reference, VulDB · third-party-advisory
- Submit #894241 | Tenda AC1206 V1.0 RTL / F1203-class web UI V15.03.06.23 Missing Authentication for Critical Function&Exposed Dangerous MCVE reference, VulDB · third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TENDA-AC1206-ATE-DEFAULT-UNAUTH-002-vulndb.mdCVE reference, VulDB · exploit
- https://www.tenda.com.cn/CVE reference, VulDB · product
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.