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TI-2026-01830 Aliases CVE-2026-2181GHSA-hcmw-7h84-qr3x

Tenda RX3 openSchedWifi stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A security flaw has been discovered in Tenda RX3 16.03.13.11. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00678 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaRX316.03.13.11—No fix listedCNA
  • RX3 VendorTenda Affected 16.03.13.11 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:rx3_firmware:16.03.13.11:*:*:*:*:*:*:*16.03.13.11VulnerableTenda
cpe:2.3:h:tenda:rx3:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:rx3_firmware:16.03.13.11:*:*:*:*:*:*:* Versions 16.03.13.11 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:rx3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2181
  2. 2026-10-03 Alias added: GHSA-hcmw-7h84-qr3x
  3. 2026-10-06 EPSS moved to the 50th–90th percentile

References

Exploit 1

Other 1

  • TI-2026-01836 Tenda RX3 formSetQosBand set_qosMib_list stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-01835 Tenda RX3 SetIpMacBind fromSetIpMacBind stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-01834 Tenda RX3 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-01829 Tenda RX3 fast_setting_wifi_set stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-04967 Tenda RX3 SetStaticRouteCfg save_staticroute_data stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-02856 Tenda RX3 SetOnlineDevName formSetDeviceName stack-based overflow CVSS 4.0HIGH 8.7
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences