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TI-2026-03902 Aliases CVE-2026-4492GHSA-c8x3-j342-5jgc

Tenda A18 Pro formSetQosBand set_qosMib_list stack-based overflow

Priority MEDIUM 41CWE-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 vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00683 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
TendaA18 Pro02.03.02.28—No fix listedCNA
  • A18 Pro VendorTenda Affected 02.03.02.28 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4492
  2. 2026-10-03 Alias added: GHSA-c8x3-j342-5jgc

References

Exploit 1

Other 1

  • TI-2021-11772 An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-08863 The goform/setUsbUnload endpoint of Tenda AC15 AC1900 version 15.03.05.19 allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-10434 An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-78650 Stack-based buffer overflow in Tenda AC19 web management service CVSS 4.0CRITICAL 10.0
  • TI-2026-66119 Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow CVSS 4.0CRITICAL 10.0
  • TI-2026-57025 Tenda AC18 Telnet telnet missing authentication CVSS 4.0CRITICAL 10.0
See all 1963 →

Sources

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